Screen Size: 2.04'' AMOELD 368*448 BT Version: V5.3 Battery Capacity: 300mAh Battery Type: Lithium Polymer BatteryCharging Time: 3 hours Standby Time: 35 days Using Time: Up to 11 days Watch Size: 51.3*40*11.55mm (without strap) Weight: 58.86g (with strap) Material: ABS/PC/Silicone *oraimo Lab test results