lectric Heating Scarves Shawl Super Warmer Winter Soft Heated Scarf Neck Men Women USB electric heated scarf winter neck warmer shawl USB charging interface design is convenient and fast, and there are multiple connection methods for power. Heat therapy can relieve cramps and muscle soreness and make you relax in the cold night. Adjustable temperature, you can choose the right temperature according to your needs to solve your neck problem. Can be washed repeatedly, and leak-proof, can be immersed in water as a whole, the power is isolated and (do not put the mobile power into the water for cleaning) The bottom of the heating scarf is covered with a zipper pocket, and the power can be safely placed in the hidden zipper pocket to power the carbon fiber heating unit (power is not included in the package) Note: 1. This product comes without batteries (a USB power bank), and you need to use your own power bank 2. Do not connect the power bank with the scarf when it is not used for a long time 3. The heating time depends on the capacity of the power bank 4. Do not use high-temperature water or strong acidic detergent