Display Screen: 1.39" TFT 240*240 Wireless Version: V5.4 Material: ABS/PC Battery Type: Lithium Polymer Battery Capacity: 300mAh Charging Time: 3 hours Normal Usage Time: 7 days Standby Time: 33 days Watch Size: 46*10.8mm Weight: 37.3g Waterproof: IP68 *oraimo Lab test results