Battery capacity:50 mAh
OLED 0.86inches
Waterproof: IP67
Standby time:7-10days
Compatible System:bluetooth 4.0 IOS 7.1or above ANdroid 4.4or above
USB charge interface,easy to change band and charge.
Secure payment
Secure Privacy
Refund in case of loss of the parcel
Refund for non-delivery
Refund if the item is damaged
