There is a QR code on the manual, the mobile phone needs to download the APP. The mobile phone opens the positioning function, the Bluetooth connection watch is opened in the APP, the data will be synchronized, if you have any questions, please feel free to contact us!
*Real-time body temperature check
*Multiple colors, face value online
Three colors to choose from to meet your more wear needs
*Call and message reminder
With the app massage reminder, you can display received messages and other information on the screen.
*Heart rate monitoring
Monitor your heart rate in real time and make one-click measurements anytime, anywhere.
*Blood pressure / blood oxygen monitoring
With a smart chip, you can measure blood pressure and blood oxygen directly with your hand ring
With a mobile phone, it is very convenient to take pictures when you go out.
Multi-sport mode ,Sleep Monitor ,Sedentary reminder，Pedometer, Weather Forecast, health , Remote Control, Find the bracelet,Alarm clock and so on.
Support iOS 8.5 version above and Android 4.4 version above
M4 Smart Bracelet High Quality New Label Fashional Portable Multifunctional Multilingual Smart Wristband
Color:As the picture
Operation Mode:Touch Operation
Power On :Long press function key
Charging Time :2 hours
Charging Voltage :5V