Specification Name Heating JacketMaterial CottonColor Black Blue RedSize S M L XL 2XL 3XL 4XLVoltage 5VEndurance Time 12 Hours 1000mAh portable battery not included Heating Film Carbon Fiber Heating SheetFever Parts Collar BackGear 3 GearsHeating Temperature 45℃ 35℃ 25℃ Features 5s rapid heating 60s reached a stable temperature Made of high quality spinning cotton padding high density windproof effectively locks in heat 3D cutting good warmth and slim shape Long battery life 5V voltage 1000mAh portable battery not included can last up to 12 hours Carbon fiber heating sheet 3 seconds of fever 3 levels of adjustment to rule out the body s wet and cold Waterproof and anti fouling fabric is used to resist corrosion and block outdoor rain and snow Any cleaning no need to disassemble wash directly Always remove the portable battery not included before washing and cover the USB plug with a waterproof cover The inner heating piece adopts carbon fiber wire no radiation stable heat generation and long service life Precautions If the heating coat is not used for a long time you need to remove the power supply Heated coat should not be washed with high temperature water or strong alkaline acid washing solution The power must be removed before cleaning If the heating coat is wet please turn off the power immediately and stop using it Package Included 1 x Heating Jacket