Battery capacity:120 mAh
OLED 0.96inches
Weight:0.026kg
Charge mode:USB charge
Compatible system：Bluetooth 4.0 Android 4.4 or above IOS 8.0 or above
waterproof: IP 67
Standby time:20days
Working time:6-7 days
Multi language push.
Secure payment
Secure Privacy
Refund in case of loss of the parcel
Refund for non-delivery
Refund if the item is damaged
