RS4 Plus Smartwatch Retina AMOLED HD Display 105 Sports Mode SpO2 Heart Rate Metal Magnetic strap Silver

1.78”AMOLED display & 60Hz refresh rate,100+ online watch faces(view mode switching),105 sports modes. Magnetic strap, all day heart tracking,spo2 and temperature monitoring, IP68 waterproof. HD retina grade AMOLED display, with 368*448 Pixel unprecedented visual clarity, the large 1.78-inch screen provides you with a precise and clear experience anytime, anywhere. Magnetic strap comfortable to wear, It can be quickly taken apart and is comfortable to wear and take off. Smart sleep monitoring-deep sleep recording helper.smart spo2 tracking.smart 24-hour heart rate monitoring. IP68 dustproof and waterproof,10-day battery life no need for recharging during workdays.