Bracelet Size：45*40*12 mm
APP：Hryfine
Compatible Systems：Android 5.0 above， IOS 9.0 above
Screen：1.93 inch IPS
Number of keys：Three buttons (1 side button, 1 encoder, 1 motion button)
BT：5.2
Bat-tery Type：Polymer lithium bat-teries
Bat-tery Capacity：3.7V/220mAh
Charging method：Magnetic Charging
Waterproof grade：Waterproof for life, no direct contact with water
Charging time：2h
Wristband specifications：Total length 226.6 mm,width 21 m
