Round touch screen smart watch

Compatible platforms: MIUI, iOS, ANDROID
Screen size: 0.95
Battery capacity: 100 mAh
How to wear: Wristband
Mode of operation: touch + button
Interface: USB 2.0
Wireless distance: 5m (inclusive) -10m (inclusive)
Function: Heart rate monitoring
Color: black leather strap, black steel strap, silver leather strap, silver steel strap, gold leather strap, gold steel strap