S5 smartwatch IP68 waterproof Bluetooth call sports wristband heart rate and blood oxygen monitoring

Parameter List:APP: Fitcloud proScreen size: 1.83 "TFTResolution: 240 * 284pxTouchpad: full touch+physical buttonsBody Material: Metal+ABS/PC ABS+PC Bottom ShellStrap Material: SiliconeBattery capacity: 300mAh lithium batteryStorage: 128MBCPU BT： BT8959T5