Description:Charging heating / USB connectionWarm winter electric vestMobile power supplyThis product is mainly suitable for people with the following symptoms:Shoulder discomfortI feel uncomfortable when pulling the shoulder.2. Waist discomfortThe waist is always uncomfortable.3. Back discomfortThe back is obviously afraid of contact, but chills.4. Neck discomfortLong hours of work caused by bowing.Long press for 5 seconds to open / third gear temperature controlAccording to individual needs, tap the shift.You can manually adjust the temperature you want, three gear positions (the temperature difference is about 5 C, the temperature difference is different due to different ambient temperature)5 district fever warm warm waist warm belly warm neck.Don't worry about washing, machine wash can be.Machine wash and hand rub, clean and dry, dry and dry naturally.Charger: Universal USB interface, Chong Bao Bao 5000 Haoan sustainable fever 5-8 hoursMain material: plush fabric, crystal velvet, composite fiber heating * 5 pieces (8 * 5CM), USB universal connectorFunction introduction: The three-speed temperature control is 65 degrees high, 55 degrees mid-range and 45 degrees low.Specifications:Model: GPY-082Body size: M, L, XL, XXL, XXXLPacking size: 40*29*4CM.Rated voltage: 5VRated power: 9WNet weight: M: 340g, L: 360g, XL: 380g, XXL: 400g, XXXL: 430gPackage Included:1*heating vest(without mobile power)Notes:Note: This product does not have mobile power, please buy it yourself.