1,usb warm foot cushion 2,voltage,5V 3,material,coral flocking,carbon fiber 4, ... ,usb warm foot cushion size,40*40*90cm temperature,40-45Material:USB line,plush frabic,carbon fiberFunction:1.lovely fashion design;2 ... .multifuntion,you can warm your hands or feet with it and use it as a back cushion ... warm you hands or feet with it usb warm foot cushion