GOTD Portable Super Mute USB Cooler Cooling Mini Fan For Android Phone PC (Black) The rated voltage:5V. Rated power:1W. Size:43x30x89mm Color:White.Hot Pink.Green.Blue.Black.Orange insert the usb interface into the mobile power supply. take out micro 5pin connector Plug and play,no driver installation required. Powered by USB port,low power consumption adjust the angle when not excessive bending. with fans for the overall design,the fan motor cant remove,please pay attention to avoid artificial damage