H30 full circle screen smart sports bracelet

Display: 1.28 inch high-definition TFT round screen 240*240px
Button mode: physical button + full touch operation
Bluetooth: Bluetooth 4.0
Waterproof level: IP68 dustproof and waterproof
Heart rate sensor: Silan SC730
Battery: 200mAh
Strap: silicone
System: I0S8.0 or above and Android5.0 or above