Display Screen: 1.69" Full Touch Color Screen Wireless Version: V5.3 Material: ABS/PC/zinc alloy Battery Type: Lithium polymer Battery Capacity: 220mAh Charging Time: 3 hours Normal Usage Time: 5 days Standby Time: 21 days Watch Size: 43.1*35.5*10.5mm Weight: 47.5g Waterproof: IP68 *oraimo Lab test results