Top 10 Best Fitbit Charge 4 Black Fitness Tracker

Enable you wear the fitbit charge 4 or fitbit charge 3 series fitness trackers on your ankle and works as fine as on your wrist. Idea for anyone who want to use fitbit charge 4 or fitbit charge 3 series fitness trackers when sports gear or activity restricts wrist placement. Soft, breathable, sweatproof and lightweight. Easy to install and remove, use as simply as the wrist band. Hook-and-loop fastener for quick and easy adjustment, medium size ankle band fits 9 to 13 inches circumference ankle, small size one fits 6 12 to 10 12 inches circumference ankle. Package include 1 x replacement ankle band with 2 x connector adapters as our picture described.

Use built-in GPS to see your pace and distance on screen during outdoor runs, rides, hikes and more and see a workout intensity map in the app that shows your heart rate changes along your route. With Active Zone Minutes, feel a buzz when you reach your target heart rate zones during exercise, and celebrate when you earn extra minutes outside of exercise. Get a 90-day free trial of the Fitbit Premium to help you stay active, sleep well and manage stress. Unlock it all in the Fitbit app. The valid payment method required. Cancel before free trial ends to avoid subscription fees. Offer valid for new Premium users only. Use 247 heart rate to track resting heart rate better measure calorie burn. Play your favorite songs and playlists with Spotify app controls on your wrist. Also make secure purchases with Fitbit Pay and get called, text and smartphone app notifications. Track workouts in real-time with 20 goal-based exercise modes. Its also swimproof and water resistant to 50Meters, so you can track swims, we're in the shower and more. Multi-day battery lasts up to 7 days and up to 5 hours when using built-in GPS varies with use other factors. Fitbit Charge 4 Special Edition includes a sleek reflective woven band and extra classic black band so you can switch up your style.. Track sleep stages review your in-app Sleep Score for an easy way to see how well you slept.

1.4in l x 0.9in w x 0.5in h, Backlit OLED display, GPS, Optical heart rate monitor - 247 heart rate tracking, NFC, 3-axis accelerometer. Get call and calendar alerts, send text notifications and quick replies. Automatic sleep tracking and silent alarms on your wrist. Battery life up to 7 days, or up to 5 hours with continuous GPS use. Water-resistant to 50 meters.. Syncs with Mac OS X 12.2 and up, iPhone 5S and later, iPad 5 gen. and later, Android 7.0 and later. Syncing range Up to 30 feet.. US Model w warranty. In Box Fitbit Charge 4, Blue and Black Classic Bands Small and Large, Charging cable..

Better measure calorie burn, understand resting heart rate more with 24x7 heart rate tracking and a battery life of up to 7 days varies with use and other factors charge time 0 to 100 2 hours. Choose from 15 plus exercise modes like run, bike, swim, yoga, circuit training and more, set a goal, and get real time stats during your workouts to see how you can keep getting better. Automatically record time spent in light, deep and REM sleep stages, see Activity trends, healthy insights, and personalized guidance in one place with Fitbit today. Operating temperature is -10 to 45 Celsius. Swim proof and water resistant to 50 meters, so you can track swims and wear in the shower we do not recommend wearing charge 3 in a hot tub or sauna also connect to Smartphone GPS for real time pace and distance during outdoor runs and rides. Stay connected to your day with everyday apps for weather and more and get called, text and smartphone app notifications on your wrist small wristband fits a wrist between 5.5 to 7.1 inches large wrist band fits a wrist between 7.1 to 8.7 inches. Radio transceiver Bluetooth 4.0. Syncing range up to 6 meters.

1.4in l x 0.9in w x 0.5in h, Backlit OLED display, GPS, Optical heart rate monitor - 247 heart rate tracking, NFC, 3-axis accelerometer. Get call and calendar alerts, send text notifications and quick replies. Automatic sleep tracking and silent alarms on your wrist. Battery life up to 7 days, or up to 5 hours with continuous GPS use. Water-resistant to 50 meters.. Compatible with Android and iOS devices. Syncing range Up to 30 feet.. US Model w warranty. In Box Fitbit Charge 4, Blue and Black Classic Bands Small and Large, Charging cable..

Better measure calorie burn, understand resting heart rate more with 247 heart rate tracking and a battery life of up to 7 days varies with use and other factors.

Measures Calories Burned And Heart Rate. Comprehensive Monitoring. Sleep Tracking. Built-in GPS.

PurePulse continuous, automatic wrist based heart rate tracking to better measure calorie burn all day. Maximize your workouts using simplified heart rate zones Fat Burn, Cardio and Peak. Splash proof. Do not shower with the device or submerge it in water. See call, text and calendar notifications on the OLED display Automatically track how long and how well you sleep and wake with a silent vibrating alarm. Reminders to move. Get a better understanding of your fitness level and see how you can improve over time with a personalized Cardio Fitness Score Use Connected GPS during run mode to see real time stats like pace and distance on your wrist. Track all day activity like steps, distance, calories burned, floors climbed and active minutes Find moments of calm throughout your day with personalized guided breathing sessions based on your heart rate, Like all heart rate tracking technologies, accuracy is affected by physiology, location of device, and different movements. Sync stats wirelessly and automatically to computers and 200-plus leading iOS, Android and Windows devices. Operating temperature 14 degree to 113 degree fahrenheit, Maximum operating altitude 30,000 feet. The minimum and maximum circumference range between 170 206 millimeters.

Compatibility This charger compatible with Fitbit Charge 4Charge 3. Not compatible for Fitbit Charge 2, Charge 1st or any other model. Premium Speedy The Charge 4Charge 3 charging cable is made of high quality wire, provides a stable performance and a fast charging, about an hour a full charge.. Safe Protection The charger cable built in smart chip, protect your Charge 4Charge 3 from over-current, over-voltage, over-circuit protection, offers a safe environment for charging.. Convenient and Easy to Use To get a boost charging just plug it into USB port on your PC, laptop, notebook, wall charger or car charger. Geting a better experience, we suggest you to use the recommended adapter 5V 1A.. Package includes 2 x 3.3ft Charge 4 charging cable wristband is not included. with sincerely after-sales service, if have any question we will deal with it for you within 24 hours..

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. 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, guided programs and more New returning Premium users only. Must activate trial within 60-days of device activation. Content and features may change.