1Far infrared hot compress, carbon fiber heating, the temperature is up t 55 and warm you in winter. 2Intelligent temperature control switch, 3gear modes adjustable, temperature free switching. 3Water washable and machine washable, not afraid to get dirty. 4Made of high quality material, which is soft, breathable and comfortable to wear. 5USB heating clothes, long working conditions, can be used for up to 5 hours and convenient to use.