Fitbit Charge HR Heart Rate + Activity Wristband [Refurbished]
Let your heart be your guide with Charge HR. Monitor heart rate automatically and continuously right on your wrist to accurately track calorie burn, maintain workout intensity, maximize training and optimize health.
Fitbit Charge HR watch. 
New replacement charger cable. 
What size will fit you? - www.fitbit.link/29VZuOV
Sensors & Components
- Optical heart rate monitor
- 3-axis accelerometer
- Vibration motor
- Tracks 7 days of detailed motion data – minute by minute.
- Tracks daily totals for past 30 days
- Stores heart rate data at 1 second intervals during exercise tracking and at 5 second intervals all other times
Battery and Power
We recommend charging your device every few days to ensure you are always tracking.
- Battery life: can last between 3 to 5 days
- Battery type: Lithium-polymer
- Charge time: One to two hours
- Radio transceiver: Bluetooth 4.0