Sports Watch For M4 Smart Bracelet For Xiaomi Band 4 Smart Band Tech Screen Heart Rate Blood Pressure Sleep Monitoring

For Xiaomi Band 4 Smart Band Tech Screen Heart Rate Blood Pressure Sleep Monitoring Sports Watch For M4 Smart Bracelet

Specifications:

Main control chip: Telink8266
Vibration: Silence / Vibration
Waterproof level: IP67
Compatible systems: Android 4.4 and above, iOS 8.0 and above
Features: heart rate, blood pressure, blood oxygen
Screen size: 0.96 inches HD color screen TFT 80*160
Screen type: TFT
Battery type: polymer lithium battery
Battery capacity: 90mAh
Charging method: dedicated USB charging cable
Charging time: about 2H
Life time: 10 days of use (depending on frequency of use and frequency of push content)
Data storage: 7 days of historical data of bracelets; over 7 days of data retention APP
Control method: single touch
Appearance material: front shell: PC, rear shell: ABS+PC, wrist strap: environmental protection TPE
Color: black, blue, red

Packing List:
1*M4 Smart Bracelet
1*Charging Cable

1*Instruction