Name: Smart Watch (Call Making/Response) JR-OFT03 model Physical measurements: 49 x 44 x 12 mm BT version: BLE5.0+BT3.0; 128 MB of flash memory Wireless charging is the method of charging. Level of waterproofing: IP67 Screen inside: 2.03 320 x 390 pixels 320 mAh is the battery's capacity. Two to three hours for charging Duration: 7–15 days Weight net: 50g