Display Screen: 1.95’’ AMOLED, 410*502 BT Version: V5.3 Battery Capacity: 300mAh Battery Type: Lithium Polymer Charging Time: 2.5 hours Normal Using Time: Up to 7 days Standby Time: Up to 20 days Waterproof: IP68 Watch Size: 46.5*37.5*12.45mm (without strap) Weight: 32.7g (without strap) Material: Zinc Alloy/Stainless/PC/Silica Gel *oraimo Lab test results