It is made of advanced exquisite material and connected to mobile phone/tablet via Bluetooth. The surface of the ring is smooth, and there is a sensitive touch area. You can slide up and down in the touch area under different modes, so as to realize different functions. 

1. It is compatible with IOS or Android. The Smart APP can monitor heart rate, blood oxygen, body temperature and pedometer.
2. heart rate, blood oxygen, 8 seconds to measurement.
3. Waterproof, anti – light interference , anti-pxidation.

4. Multiple movement mode pedometer function.

5. 24H automatic monitoring, real-time data update, data upload support.

6. Bluetooth connection, can connect other Bluetooth devices at the same time.

7. Magnetic suction charge.
8. IPX7 Waterproof
9. New function: Body temperature monitoring