Display Screen: 2.01" TFT (240*296); Wireless Version: V5.3 Material: ABS/PC/Zinc Alloy Battery Capacity: 300mAh; Battery Type: Lithium polymer; Charging Time: 3 Hours; Normal Usage Time: 7 Days; Standby Time: 30 Days; Watch Size: 53.5*42*10.5mm; Weight: 47.61g; Waterproof: IP68 *oraimo Lab test results