Amazfit GTR 3 Pro Smart watch - Mobopro1

Design Colors : Brown Leather, Infinite Black Dimensions : 46x46x10.7mm Weight (without strap) : 32g Body Material : Aluminum alloy Buttons : 2 Water-resistance5 ATM Grade : Battery : Battery Capacity 450 mAh (typical value) Display Material : AMOLED Size : 1.45" Resolution : 480x480 PPI : 331 Touchscreen Tempered glass Anti-fingerprint coating Sensors Health : BioTrackerTM3.0 PPG biometric sensor (supports blood-oxygen, 6PD + 2LED) Positioning : GPS, GLONASS, Galileo, BDS, QZSS Connection : WLAN 2.4GHz21 Bluetooth 5.0 Compatibility : Android & iOS