* HAYLOU RT2 Smart Watch
* Bluetooth version: 5.0
* Battery capacity: 330mAh
* System Requirements:
- Android 6.0 and up
- iOS 11.0 and later
* Active operation time up to 12 days (24 hours with heart rate function on)
* Wireless charging
* Waterproof type IP68.
* Working temperature: 0℃~45℃
* 12 sports modes
* Measurement of heart rate and blood oxygen level.
* Sleep monitoring.
* Body diameter: 45,7 × 45,7 × 12,1 (mm)
* Strap size: 22mm
* Display: 1.32 inch TFT display
* Resolution: 360*360