App: Wearfit Pro, Chips AB5691.
Bluetooth: V5.3.
Waterproof IP68.
Material: Stainless steel+IML(Zinc alloy+IML).
Screen Size 2.01 inch, net weight 68.25g.
Resolution 240*296.
Screen type IPS full viewing angle color screen.
Battery 300mAh/ 3.7V.
Charging time 4H, 3-5 working days, 60 days standby.
Support IOS 8.4 and above, Android 4.4 and above.