Fitbit Charge 3 *New* P400 KEEP COOL AT HIGH SPEED:

KEEP COOL AT HIGH SPEED: Transfer massive files in seconds

Choose from 15+ exercise modes like run

NVIDIA FXAA and TXAA

Selectable RAID mode

Fitbit Charge 3 *New* P400 KEEP COOL AT HIGH SPEED:About the product 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) Choose from 15+ 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 and see activity