IP68，RTL8773EWE，BT 5.3

Display: 1.83inch 240*284pixel

Body material: ABS+PC

Strap material: Silicone 

Heart rate sensor: HX3918

Compatible: android 6.0+ / ios 9.0+

Function:Single chip dual-mode a key connection, bluetooth phone, bluetooth audio keep connection, heart rate, SP02,sleep, step, calories,menstrual cycle female function, and raised my hand against the bright screen, Caculator, the APP information remind, stopwatch, music control, remote control picture, respiration rate,100+multiple sports modes

Battery capacity:  1000mAh

Charging method: USB Magnetic wire

APP: FitCloudPro