1,usb warm foot cushion 2,voltage,5V 3,material,coral ... *40*90cm temperature,40-45 detailed introduction name,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 ... up when you connect the USB to PC; 2.you can warm you hands or feet with it usb warm foot cushion