Display Material AMOLED, Size 1.45” round, Resolution 480x480, PPI 331, Touchscreen 2.5D Tempered glass anti-fingerprint coating, BioTrackerTM 3.0 PPG biometric sensor (support blood-oxygen, 6PD + 2LED), Acceleration sensor, Gyroscope sensor, Geomagnetic sensor, Barometric altimeter, Ambient light sensor, Temperature sensor, WLAN 2.4GHz, Bluetooth 5.0, GPS, GLONASS, Galileo, BDS, QZSS Body material Aluminum alloy, Water-resistance 5 ATM, Battery 450 mAh