Fitbit Alta HRâ„c - Large wrist size - 170mm to 206mm Fitbit Alta HRâ„c features:
Automatically track your steps, distance, calories burned and active minutes
Get the power of continuous heart rate in the slimmer design on the market-all day, during workouts and beyond
Automatically track your sleep and see your time spent in light, deep and REM sleep stages, powered by PurePulse heart rate
Stay connected with call, text and calendar notifications on display (when your phone is nearby)
With a battery life of up to 7 days, you can worry less about your tracker and focus more on your goals