Watch 6N - OSW-8000N (Smart Watch) Display Screen: 1.83" TFT (240*284); Wireless Version: V5.3, Material: ABS/PC Battery Type: Lithium polymer; Battery Capacity: 300mAh; ChargingTime: 3 hours Normal Usage Time: 7 days, Standby Time: 28 days; Watch Size: 446*37.1*10.6mm Weight: 39.37g; Waterproof: IP68 *oraimo Lab test results