Waterproof grade IP68
Screen size 1.45"
Screen type TFT
Screen cover 2.5D glass cover
Middle frame zinc alloy, matte, electroplating
Bottom shell PC+PBT black material
Button aluminum alloy (surface oxidation, fine sandblasting)
Strap Solid silicone (black, fine frosted grain, hardness 70)
Buckle Solid silicone (black, fine frosted grain, hardness 70)
Charging contacts Palladium-plated copper
Tongue buckle stainless steel galvanized black
MCU 8763EWE
BT BT3.0
G SENSOR STK8321
PPG heart rate sensor VP60AD
Trumpet 1609
Microphone 4015
Touch chip Haili Chuang 816D
Screen full screen touch
Screen resolution 360*360
Flash 128Mb Nor Flash
Bluetooth BT3.0+BLE5.2
Working voltage 3.8V
Maximum power/
Battery capacity 300mAh
Battery life about 8 days
BT battery life 5~6 days (BT calling)
Battery Type Lithium Polymer
Charging method Magnetic contact charging
Charging time 2.5h to 3h
iOSIOS 12.0+
Android Android6.0+
