Parameter List:

Main chip: RTL8763EWE (Android 5.0 and above, iOS 8.0)

FLASH： 128M

Bluetooth: BLE5.2/BT5.2

Acceleration sensor: STK8321

Display screen: 1.57TFT, resolution 240 * 286

Touch: Full touch COF, Hai Li Chuang 816D chip

Speaker: Impedance of 8 ohms, maximum 1W MAX

MIC (microphone): Supports (sensitivity 42DB+/-3DB)

Motor: voltage range 1.3V-2.8V, starting voltage 1.3V MAX, rated voltage: 1.8V)

Heart rate chip: Tianyi Hexin 3602

Battery: Rated voltage 3.7V, charging cut-off voltage 4.35V, 230mAh

Charging management: Typical charging current of 120mA

Charger specification: DC 5V (current ≥ 0.5A is sufficient) Maximum input withstand voltage 6.5V