Display Screen: 2.01"TFT 240*296 Wireless Version: V5.3 Material: ABS/PC/zinc alloy Battery Type: Lithium Polymer Battery Capacity:300mAh Charging Time: 3 hours Normal Usage Time: 7 days Watch Size: 49.6*42.5*10.3MM Weight: 49.8g Waterproof: IP68 *oraimo Lab test results