Smart Business Bracelet Bluetooth Heart Rate Blood Pressure Waterproof Bracelet

Chip: Realtek 8762-ag.

Display: OLED 0.95 

Battery: 150 mah

Waterproof level: IP67.

Standby time: 5 days.

Support system: IOS 8.0 and above, Android 4.3 and above.

Heart rate monitoring : support.

Blood pressure monitoring: support.

Auto bright screen: support.