Better measure calorie burn, understand resting heart rate & more with 24/7 heart rate tracking and a battery life of up to 7 days (varies with use and other factors). Charge time (0 100 percent): 2 hours.
Choose from 15 plus exercise modes like run, bike, swim, yoga, circuit training and more, set goal, and get real-time stats during your workouts to see how you can keep getting better; With aerospace-grade aluminum, a smooth flush case and Corning Gorilla Glass 3, Charge 3 is comfortable and durable
Automatically record time spent in Light, Deep and REM sleep stages and see activity trends, health insights and personalized guidance in one place with Fitbit Today; Fitbit products are compatible with most devices that have the following operating systems: Apple iOS 11 and higher, Android OS 7.0 and higher, or Windows 10 v1607 or higher
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. Radio transceiver: Bluetooth 4.0
Stay connected to your day with everyday apps for weather and more and get call, text and smartphone app notifications on your wrist.