Interchangeable watch strap.
Bluetooth 4.2 5.0.
TPU material strap.
200MAH high capacity polymer battery.
Functions
Bluetooth calls.
heart rate
Blood pressure.
Multisport modes.
Touch screen.
Heartbeat monitoring.
Pedometer, calories, calorie consumption, exercise mileage record.
Sedentary reminder to get up.
Sleep monitoring.
Control mobile music playback.
Shows reminder and receiving calls.
Calls can be made from the watch.
Not waterproof.