Display Screen: 2.01'' AMOLED (390*450) BT Version: V5.2 Material: ABS/PC/Silica gel Battery Type: Lithium polymer Battery Capacity: 340mAh Charging Time: 3 hoursNormal Using Time: 24 days Standby Time: 60 days Watch Size: 50.5*40*13.2mm Weight: 41.5g Waterproof: IP68 *oraimo Lab test results.