Waterproof grade
IPX7
Chip
NRF52832(NORDIC)
Sensor
Bosch BMA421 sensor HRS3300 heart rate sensor
Bluetooth
BT4.0
Battery
1 70mAh polymer lithium battery core
Charging
Charging Method
Charging clip
Color
Earl Black, misty gray, rose gold, glacier blue, rosy,
APP
Da Fit
Support System
Android 4.4 or above/IOS9.0 or above