Display Screen: 1.52 TFT(240*283); BT Version: V5.3; Material: ABS/PC/Zinc Alloy Battery Capacity: 210mAh; Battery Type: Lithium polymer; Charging Time: Approx. 3 Hours; Normal Usage Time: 5 Days; Standby Time: More than 20 Days; Watch Size: 39.74*32.68*107mm Weight: 42.2g; Waterproof: IP68 *oraimo Lab test results