BUILT-IN MEMORY: Store 1 heart rate training session. Perfect for sports and activities where a wrist unit would be difficult to use.
GoPro COMPATIBLE: Pair your H10 heart rate sensor directly to the GoPro Hero 5 compatibility camera and overlay your heart rate data onto the recorded video.
UPDATEABLE FIRMWARE: Firmware updates
This is a Combination Kits, it contains three fitbit flex 2 chargers.
The first fitbit flex 2 charger can be with you at home or in the gym.
The second fitbit flex 2 charger can stay with you in the car.
This item is Bluetooth Model & International Version. (**IT DOES NOT SUPPORT 2G, 3G, 4G LTE MOBILE NETWORKS**) It comes with a European plug, but any standard micro 5 pin USB cable (Android phone charging cable) works.
Compatible with Android 4.4 (KitKat) and later with 1.5GB RAM. Some features may not