Top 10 Best Iphone Compatible Fitness Tracker

LARGE DISPLAY The large 1.9 inch high-resolution screen has enhanced color and is easy to read, with anti-fingerprint glass. The face is curved to fit naturally on your wrist for comfort and style.. TRACK STEPS, DISTANCE, CALORIES Automatically detects and records all your activities and fitness data, from walking, running, treadmill, rowing and more with 120 sports modes.. RELIABLE HEALTH MONITORING Track heart rate, blood oxygen, stress level monitoring, sleep quality, sedentary reminders, and sleep quality tracking.. FITNESS APP DATA SHARING Easily connect with Strava, Adidas Running, Apple Health, Google Fit, Relive, Komoot to record and share health, steps and fitness data.. UP TO 30 DAYS OF BATTERY LIFE 10 days with typical usage, even 30 days in battery saver mode, so you can keep going without stopping to recharge.. 70 WATCH FACES Easily change the look or your watch or information displayed, or add your own custom photo background.. AMAZON ALEXA READY Set alarms and timers, check the weather, get translations, control your smart home devices, create shopping lists, and more with the Amazon Alexa voice assistant.. BLUETOOTH Using built-in speakers and microphone, you can send text, answer or make outgoing calls and playback music on your Bip 5 through Bluetooth connectivity.. SLEEP RECOVERY View valuable insights into your nightly sleep quality and duration to monitor deep sleep, REM, and light sleep, even track daytime naps too..

Large HD AMOLED Display Amazfit band 7 fitness tracker features a large 1.47 always-on display to fit more important information and reduce the scrolling. The viewable area of Band 7's large HD AMOLED display is 112 bigger than band 5, while the body remains slim and light.. 18-day Battery Life Say goodbye to daily recharge. When fully charged, the 232 mAh battery of the fitness tracker watch can last up to 18 days with a typical usage, and up to 28 days with a battery saver mode.. Dominate Your Workout GoalsLarge selection of 120 sports modes, get data for all your favorite sports, like running, cycling, yoga, and more. And Jump into action quickly with smart recognition of 4 Sports. With a water-resistance grade of 5 ATM, meaning it can resist the equivalent of up to 50 meters of water pressure. And whenever you fancy a trip to the pool, the Pool Swimming sports mode can scientifically track your swimming data.. Harness the Power of HealthThe activity fitness tracker is able to simultaneously measure three health indicators Heart rate, Blood oxygen, Stress level in one tap, for results in as fast as 45 seconds. Also, It can track your sleep quality through the light, deep, and REM sleep stages, as well as provide menstrual cycle monitoring.. Almighty Assistance Powerful Zepp OS Amazfit Band 7 has Amazon Alexa built-in, so you can easily set an alarm, get a translation and more to make every day easier. Light and low power-consuming Zepp OS enable supreme seamless interaction, and the rich app ecosystem features over 10 mini apps to enhance your daily life.. Commanding Control of the EverydayMake daily life a breeze with a wide selection of helpful features including Phone CallsSMS App Notifications, SMS Call Quick Replies, Bluetooth Phone Music Camera Control, Alarm Clock, Stopwatch, Weather, Sedentary Reminder, Screen Lock Password, More....

Better Performance- The 1.91-inch 240284 high-definition full-touch screen expands your field of view and ensures smooth operation. With over 100 customizable watch faces to choose from, you can personalize it to your liking. By adding family members' data through the app, you can care for their physical well-being. The watch has been upgraded to Bluetooth 5.2 and supports Android 4.4 iOS 9.0.. Comprehensive Health Monitoring- Our watch incorporates advanced sensors and AI-powered algorithms to provide real-time monitoring of heart rate, blood pressure and blood oxygen. It also features continuous sleep pattern tracking, accurately assessing sleep quality, and includes a unique function for monitoring emotions, offering a deeper understanding of emotional well-being. Designed specifically for women's health, this watch includes menstrual cycle monitoring and management features. Additionally, it promotes an active lifestyle by providing reminders to avoid prolonged sitting and combines breathing exercises and stress monitoring to achieve comprehensive health tracking.. Diverse Exercise Modes Exercise Data Analysis- Achieve excellent fitness results through exercise modes and data analysis. The smart watches are equipped with various professional exercise recognition analyzers and support daily exercise data analysis, providing valuable insights on energy consumption, calories, exercise distance, and step count, encouraging users to stay active. The smart watch supports over 100 professional exercise modes, allowing you to monitor and analyze your performance in various activities such as running and cycling. Utilize these detailed data to optimize your workouts, improve your performance, and stay motivated on your fitness journey.. Superior Calling Experience Intelligent Voice Assistant- One-touch seamless call answering and dialing, enhanced with high-definition voice quality for effective communication and a smooth calling experience. You can easily view call logs, use the voice assistant for hands-free assistance, listen to music, check weather forecasts, find your phone, and even take remote photos. The watch can receive various message notifications, ensuring that you stay informed and connected at all times. These multifunctional features enrich your daily life, providing convenience and entertainment, making it an indispensable versatile companion that meets all your needs.. Long-lasting Battery Life Efficient Waterproof Performance- The watch is powered by a 310mAh cobalt battery with a protective board, offering up to 30 days of standby time and 3-5 days of daily use. Its efficient design meets the demands of long-term usage. Furthermore, the watch boasts a sturdy IP68 waterproof rating, featuring a precision waterproof seal and successfully passing the 30-meter water pressure test. It confidently withstands daily handwashing, showers, rain, and even sweat. It is a durable companion suitable for various adventures or celebrations..

1.58 Large HD AMOLED DisplayThe AMOLED always-on display smart watch with 228460 high resolution, 326 PPI pixels, twice as clear as traditional TFT screen. Slim and curved-design ensures better operation and more comfortable wearing experience. There are lots of watch face options for you to choose from in the App. You can also customize from your own album, making it unique and personalized.. Bluetooth Calls Messages NotificationsYou can easily makeanswer calls, store contacts and view call history on the fitness tracker with just one Bluetooth connection. You could see the caller's name or phone number, adjust volume, set silent mode, get vibration alerts for all notifications, including phone calls, SMS texts, email and App message Facebook, Twitter, WhatsApp, and more. The 1.58 large screen allows you to read whole message content without scrolling multiple times.. 114 Sports Modes All-Day Activity TrackingSmart watches for men track your all days activity including steps, distance and calories burned to help you achieve your fitness goals more efficiently. With access to 114 workout options through the FitCloudPro App, covering almost all daily sports activities you can imagine. You could also get a map of your workout route and pace in App during outdoor activity by connecting to your phone gps.. 24H Accurate Health MonitoringSmart watches for women can measure your heart rate, blood pressure and blood oxygen in real time. You can conveniently view health data on your wrist anytime, anywhere, and view all-day data records in the App. Android smart watch can also professionally interpret the sleep characteristics at each stage and analyzes sleep quality including deep sleep, light sleep, and wake-up times, helps you to get a better understanding of your sleep quality.. Long Battery Life IP67 WaterproofEasy to charge the smart watch for android phones with magetic charging USB cable. Advanced low-power chip with excellent battery life performance, fully charge for 2 hours, support 3-7 days heavy use. The smart watches features an IP67 waterproof rating, making it resistant to water splashes, sweat, and light rain. Wear the smartwatch women confidently during your everyday activities, including washing hands or engaging in light water-related tasks.. Multiple Practical FunctionsThe activity trackers and smartwatches with various smart features including menstrual cycle reminder, breathing training, drinking water reminder, sedentary reminder, voice assistant, weather, music, stopwatch, timer, alarm, calculator, find phone, camera control, do-not-disturb mode. The fitness trackers for women becomes a convenient assistant in your life, making your every day easier.. Wide CompatibilityThe smartwatch for men women compatible with Android 5.1 iOS 8.0 or above smartphones, but is not compatible with PC, iPad, or Tablet. Its comfortable durable, replaceable and washable strap with secure clasp is adjustable between mix 6.3in and max 8.9in, offering comfortable fit for you. Slim and stylish design makes the mens smart watch the perfect accessory to any outfit. It can not only for self use, but also as holiday gifts for family and friends..

Comprehensive Health Monitoring - Elevate your health insights to a new level with the advanced monitoring features of the SOUYIE smartwatch. Accurately track your heart rate, blood pressure, blood oxygen levels, and sleep patterns to stay informed about your health. Receive timely reminders to adjust your lifestyle and let our watch accompany you on your journey towards better health. Our advanced infrared true blood oxygen technology provides reliable and comprehensive oxygen level readings. Experience the powerful functionality of infrared true blood oxygen monitoring and take control of your health journey today.. Multiple Sports Modes Exercise Tracking - With 20 sports modes to choose from, it intelligently tracks your heart rate, calories burned, steps taken, distance covered, stride frequency, and more. Whether you're running, cycling, swimming, or practicing yoga, our watch adapts to each activity, providing you with personalized and accurate data. Elevate your workouts, set new goals, and achieve your fitness milestones with confidence.. Long Battery Life Wide Compatibility - Experience the freedom of extended usage with our watch's long-lasting 270mAh battery. Stay connected and powered up, enjoying uninterrupted functionality throughout your day. Plus, our watch offers wide compatibility with Android 5.0 and iOS 9.0 devices, ensuring seamless integration with your smartphone ecosystem. Enjoy the convenience of a watch that keeps up with your active lifestyle and stays in sync with all your devices.. Bluetooth Call Smart Notification - Experience the ultimate connectivity and convenience with our watch's Bluetooth calling, voice assistant and smart notifications. Effortlessly make and receive calls directly from your wrist, eliminating the need to reach for your phone. Stay connected on the go, whether you're driving, exercising, or simply multitasking. Additionally, receive smart notifications for SMS, emails, and app alerts, ensuring you never miss an important update. Experience the convenience of staying connected and informed, all from the convenience of your wrist. Stay connected, stay informed, and stay in control with our feature-packed watch.. Intuitive Interface More Functions - Immerse yourself in a captivating visual experience with 1.91-inch large screen. Crafted with a sleek zinc alloy vacuum plating frame, it exudes elegance and durability. The user-friendly interface ensures effortless navigation. There are more practical functions such as watch independent time setting, music, weather, alarm clock, timer, stopwatch, turning wrist to brighten the screen, finding a mobile phone, etc. for you to unlock infinite possibilities..

Inspire 3 is the tracker that helps you find your energy, do what you love and feel your best. All you have to do is wear it. Apple iOS 15 or higher, Android OS 9 or higher. Move more Daily Readiness Score1, Active Zone Minutes, all-day activity tracking and 247 heart rate, 20 exercise modes, automatic exercise tracking and reminders to move. Stress less always-on wellness tracking, daily Stress Management Score, mindfulness sessions, relax breathing sessions, irregular heart rhythm notifications2, SpO23, menstrual health tracking, resting heart rate and highlow heart rate notifications. Sleep better automatic sleep tracking, personalized Sleep Profile1, daily detailed Sleep Score, smart wake vibrating alarm, sleep mode. Comfortably connected day and night calls, texts smartphone app notifications4, color touchscreen with customizable clock faces, super lightweight and water resistant to 50 meters, up to 10 day battery life5. Includes a 6-month Premium membership complete with personalized insights, advanced analytics and more New returning Premium users only. Must activate trial within 60-days of device activation. Content and features may change.

AMAZON ALEXA BUILT-IN Talk to Amazon Alexa on your Amazfit Band 5. Ask questions, get translations, set alarms, and timers, create shopping lists, check the weather, control your smart home devices, and more.. 15-DAY BATTERY LIFE Say goodbye to daily recharge. With a fully charged Amazfit Band 5, you dont need to bring a charger for a two-week trip. On a single charge, it has enough power to get you charged for 2 whole weeks mind-free.. BLOOD OXYGEN SATURATION MONITOR You can measure your blood oxygen saturation and understand your physical state with OxygenBeatsTM. Ideal for high-intensity workouts and sports such as marathons and gym workouts.. 247 HEART RATE, SLEEP TRACKER With Huami-proprietary BioTracker TM2 PPG optical sensor, this health tracker performs 247 real-time heart rate monitoring and high heart rate warning. Band 5 can also professionally interpret the sleep characteristics at each stage and analyzes sleep quality, to help you adjust your sleep habits. It even monitors your 20-minute daily nap.. YOUR SMART FITNESS PARTNER An ultimate easy-to-use activity fitness tracker with 11 built-in sports modes, enabling you to record the distance, speed, heart rate changes, calories burned, and other data during your workouts. With a water-resistance grade of 5 ATM, Band 5 can withstand all your daily activities and you can wear it while swimming.. WOMENS HEALTH TRACKING With the female period tracking system, Band 5 records and predicts the female menstrual cycle and sends smart notifications reminders.. COMPATIBLE PHONE MODELS Android 5.0 or iOS 10.0 and above. Strap length 6.4-9.3inch 162-235mm.

All-day Activity Tracking This smart watch has 7 kinds of sports modes Walking, Running, Cycling, Skipping, Badminton, Basketball, Football. The watch display shows your accurate steps, distance, calories, active minutes and you can see more detailed data on App.. Sleep and Blood Oxygen Saturation The smart watch for android phones can monitor your Heart Rate, Blood Pressure, Blood Oxygen SpO2 and your deep, light sleep state which can help you better understand your health. NOTE the data cannot be used as a medical-grade test. Notifications and More Practical Features All messages and notifications will show on your wrist and remind you through vibration. It cannot answer call or text on watch. There are also many convenient functions like Timer, Wake-up Gesture, Find Phone, Sedentary Reminder, Music Control and Weather Display.. 1.4 Inch Full-touch Screen Custom Watch Face The watch with 1.4 inch LCD screen can provide you with high-quality touch and visual experience. Five levels of brightness options allow you to easily read information in the sun or dark. Also you can choose a picture you like to customize the watch face in HeroBandIII App. Wristband Size 5.85 - 8.78 inch. Great Battery Life and Wider Compatibility Our smart watch is compatible with iOS 9.0Android OS 4.4 or above smartphones. It can be used for up to 7 days and standby for 30 days after fully charged..

Alexa Built-inTalk to Amazon Alexa on your TOZO S2. Ask questions, play music, check the weather, set alarms and timers, and more just by speaking to your watch. Also, you can speak to your smart watch via the built-in microphone upon the connection to your phone via Bluetooth.. 1.69 inches Large HD Color Touch Screen1.69 large color screen and full screen touch and hand sliding. It ensures smooth operations and 240280 resolution for you. Our screen is better at color saturation and reproduction. Personalize your smart watch for men women with multiple customized watch faces provided, make your own stylish smart watch.. Heart Rate, Sleep, Blood Activity TrackingWith our smartwatch, it accurately monitors your heart rate in real time. Also, it provides a detailed analysis of your sleep quality by continuously recording your sleep patterns. During exercise, TOZO smartwatch automatically records daily steps, Distance Countercalories burned, active minutes, measure your blood oxygen saturation and understand your physical state.. Bluetooth Connectivity and CompatibilityWhen the S2 smart watch is connected to the app through Bluetooth, you can control the music player, view the local weather today, and support the mobile search function. TOZO Smart Watch is compatible with most iOS, Android or Bluetooth smartphones. Go to App Store or Google Play to download and install TOZO Fit for free, then connecting our smart watch to your phone and start your journey of smart life.. Long-lasting Battery Life 5ATM Waterproof The large battery capacity 300mAh and low power consumption design offers longer endurance. It could last about 10 days when in auto monitoring mode for heart rate or 7 days when in the instant detection mode. TOZO Smart Watch is designed with 5ATM waterproof rating50m waterproof, so no need to worry when you wear it while swimming or sweating out..

2021 Upgraded Smart Watch for Women Equipped with 1.33 inches TFT-LCD full touch screen, can provide you with high-quality touch and visual experience. Three levels of brightness options allow you to easily read information in the sun or dark.Your watch face will light up automatically when you lift and twist your wrist. Soft bands fit different wrist sizes.. Accurate Fitness Tracker WatchSupports 9 sports such as Walking, running, bicycle , Hike, Mountaineering, Dynamic cycling, fitness, treadmill, Yoga. Accurately record all-day activities like steps, distance, calories burned, miles walked, active minutes. Can track all your workout routes, distances, and physical status during exercise. And will connect to smartphone's GPS to draw the route map in VeryFitPro app.. 247 Heart Rate Monitor with More Practical Tools - Heart rate monitor watch Tracks real-time heart rate automatically and view heart rate curve picture from 'VeryFitPro' app. Get a better understanding of your sleep quality with comprehensive sleep quality tracking, helping you adjust yourself for a healthier lifestyle. This watch also has many pratical tools,like alarm clocks,music controller,deep breath guide,sedentary reminder,stopwatch,timer.. IP68 Waterproof Fitness Watch Long Battery LifeFitpolo sports smart watch is designed with IP68 waterproof rating, you can wear your watch in the shower, pool and beyond. Large capacity and low power consumption design offers longer endurance.It support 7 days of normal use and 30 days standby time.. Smart Watch for Android IOS Phones Compatible iphoneCompatible with most iOS 8.0 Android 4.4 above smartphones. Download and install Free VeryFitPro APP, bind this smartwatch in your cell phone,you can receive alerts of calendar, SMS, incoming calls and SNS Facebook, WhatsApp, LinkedIn, Instagram, Twitter and more on this watch, It will never let you miss any important thingsNote can't reply to messages or make calls.

Sports Modes with GPS ConnectivityFitness watch can accurately record all-day activities like steps, distance, calories burned, miles walked, active minutes. Connecting the GPS in your cellphone can help you exercise scientifically and achieve fitness goals.. 247 Health Monitoring AssistantThe smart watch monitors our sleep status deep, light, and awake time , and provides comprehensive sleep quality analysis. Also it intelligently measures heart rate, blood oxygen and blood pressure anytime, helping us better grasp the health changes.. Smart Notification with Call MessageSee calls messages on your wristReceive call, SMS and SNS Facebook, WhatsApp, Twitter, etc notifications on display Vibrates to notify you of incoming calls and messages, helping you stay connected, never miss the messages that matter.. More Practical Tools App DetailsThe smart watch feature a large touch screen, and by accessing the PubuFit App you can enjoy alarm clock, stopwatch, music control, remote camera, weather forecast, sedentary reminder ,customized watch face and more daily practical tools. It makes your life healthier and more efficient.. Longer Battery Life Wider Compatibility One full charge 1.5-2 hours supports 7 days of working time and 40 days of standby time. This APP of the smart watch is compatible with smart phones that use iOS 8.0Android 4.4 or above, and Bluetooth 4.0 or above. If you are finding a smart fitness watch for your Android phones or IOS Phones, it is the good choice for you..

Your Smart Watch, Your Style1.75 full touch screen covered with an aluminum alloy frame, so elegant and light to wear, but sturdy and anti-scratch. The smart watch contains 5 dials readily available to choose from along with another 30 more dials within the app. You can also customize your watch faces. It can be any photo, such as your family, pet ,etc.. LEAVE YOUR PHONE IN POCKET- Nanphn Smart Watch gives you the freedom to call receive and read SMS messages and SNS notifications straight to your fitness tracker including SMS, Facebook, Whatsapp, Twitter, Instagram, Facebook Messenger, LinkedIn, and more. Always stay in the know. Never miss a call and a message. Cannot Reply the Messages.. Your Personal Smart Assistant- This smartwatch includes more practical functions, monitor your real-time heart rate, step count, calories burned, sleep stage data. Download and install the APP, bind this smartwatch in your cell phone. Other functions Remote capture, Music controller, Alarm clock, Sedentary reminder, Stopwatch, Find phone, Calendar, Voice functionality, Calculator, etc... Super Compatible IOS and Android- This smart watch compatible with iOS 8.0 and above Android 4.4 and above the cellphone. Such as iphone 12 12 mini 12 max11XXSXR988 plus77 plus66 plus6s6s plus55s ONLY SUPPORTS PARTIAL FUNCTIONS, Samsung Galaxy Note 20109875S21S20S10S9S8S7Z Fold2Z Fold 1Z FlipA71A51A70, Google PixelPixel XL, HTC, Sony, LG, HUAWEI, ZTE etc. smart phones.. SATISFIED SERVICE PERFECT GIFT- This will be a shopping without worry. If the product you receive has any quality problems, is not satisfied or damaged in use, Only Contact Us, we will replace it for you for free or give you 100 unconditional refund. This smart watch with affordable price, being a very good gift for friends and family members to help them Stay Active and Stay Healthy..

Fitness Watches for Men Women ---Equipped with metallic frame and tpu band, with a 1.3-inch round touch full display, ultra-thin body, 14 different clock face to choose, black and white clock switching at sunrise and sunset, the flower yellow circle on the clock face reminds you whether your training goal was completed.. Tinwoo smart bracelet support GPS positioning functionneed to pair with phone, sync the data in the phone, Pairing with APP monitors your trajectory and shows your exercise data in the most accurate way steps, distance, calories burned. supports all-day static heart rate detection, real-time heart rate detection during exercise and abnormal heart rate reminder.. Tinwoo Fitness Tracker smart watch is suitable for Android 5.0 and above,ios 9.0 and above,not for PC or tablet,only for mobile phones with Bluetooth 4.2 or higher.Pair with your smartphone via Bluetooth connection,application nameTINWOO.If you have any questions about App download,please contact us by email,we will provide you with quality service. With a magnetic charging USB cable, support QI wireless charingbut the wireless charing base is not included in the package 300 mAh lithium polymer battery, only 2h charging, ensure you professional personal health consultants and data records for more than 10 days, standby time can reach up to 15-20 days.. Call message notificationsReceive and read SMS messages and SNS notifications straight to your deviceincluding Facebook, twitter, WhatsApp,LinkedIn and Instagram.You can also hang up incoming phone calls straight from your wrist.Product Package1smart watch, 1watch band,1product manual,1magnetic charging cable.If you receive the product with any quality or use problems,please contact Tinwoo team by email in the first time,we will provide you with satisfactory service..

SMART WATCH FOR ANDROID PHONES AND IOS PHONES SAMSUNG IPHONEPupuskyer smart watch is compatible with smart phones that use iOS 9.0Android OS 4.4 or above, and Bluetooth 4.0 or above. And watch also has abundant exquisite watch faces in the APP PUBUFit for us to choose . We can even customize the watch face by setting our favorite photo from phone album as its watch Face. Your Watch, Your Style.. 24-HOUR HEALTHY MONITORINGPupuskyer smart watch has many healthy functions, including Heart Rate and Sleep Monitor, Blood Pressure and Blood Oxygen monitor. The smart watch uses intelligent algorithm to monitor our healthy data to help us better grasp the health changes. But the data can just be taken as reference.. ACCURATE FITNESS TRACKERThis Smart watch has multi-sports modes, such as walking, running, cycling, skipping, badminton, basketball, football, and swimming. Besides, Sports watch helps keeping track of our daily activity data like steps, calories burned, distance and active hours. Record real-time routes of our outdoor activities and our workout route.. YOUR PERSONAL SMART LIFE ASSISTANT It has the message and call notification function. The watch will vibrate to remind you when you receive new call, SNS and message. This smart watch supports more daily practical tools, like alarm clock, stopwatch, music control, weather forecast, sedentary reminder, remote camera, finding phone, etc. Ease your Life.. FULL-TIME AFTERSALE SERVICE AND THREE-YEAR WARRANTYOur professional after-sale department will offer you a timely support. If you have any problem while using the watch, please do not hesitate to contact us. And we will reply your message within 8 hours..

STYLE YOU CAN COUNT ON - The smart watch for women adopts a borderless design and an rose gold aerometal aluminum alloy bezel, also we have prepared pink and black two bands to enhance your most fashionable outfits. And a 1.28'' tempered HD LCD with IPS technology for enhanced color and clarity. With a light 0.1lb weight, a thickness of 0.25'', and a skin-friendly silicone strap, allows you to enjoy the lightness of time.. NEXT-LEVEL BODY HEALTH MONITOR - Also equipped with 2021 enhanced biosensor core technology BIO1.0, provides 247 heart rate monitoring, blood-oxygen saturation measurement, sleep monitoring as well as other functions to achieve total health management from your wrist. Of course the smart watches keep track of your steps, distance and calories burned.. 8 SPORTS MODES AND 3ATM SWIMPROOF - Our smartwatch for women features 8 built-in sports modes, allowing to satisfy sports enthusiasts whether indoors or outdoors. With 3ATM water-resistance30m underwater, this fitness watch can resist to any of your daily activities and can even be worn while swimming. The advanced oleophpbic coating on the screen allows you to get rid of fingerprints and water stains.. SMART NOTIFICATIONS AND COMPATIBILITY - Get an intelligent little pal to remind you of the incoming calls, text messages, apps, and calendars, alarm clock, weather forecast, and support control the music playback or camera on your smartphone. This smart watch can work seamlessly with iOS 10.0 Android 5.0 or higher smart phones.. BEYOND YOUR IMAGINATION - A fully-optimized battery management system provides up to 14 days of battery life for the smartwatch. Get rid of the anxiety brought on by constant charging, and keep the energy flowing. Built-in BLE5.0 and 300mAh lithium-ion battery, fully charge for 2 hours, use for 2 weeks or stand by for 30 days. It's the Christmas best gift for womenrelativesparentsfriends..