Product information:Color: Standard Edition bright black, Standard Edition light gold, NFC edition bright black, NFC edition light goldOperation mode: TouchScreen Type: AMOLEDBattery life: less than 7 days Functions: Waterproof, step counting, heart rate monitoring, NFC function, smart reminderWatch strap style: Modern style buckleWatchcase material: PlasticSize: 48*22.5 * 10.99mm