lectric Heating Scarves Shawl Super Warmer Winter Soft Heated Scarf Neck Men Women USB Electric Heated Scarf Winter Neck Warmer ShawlThe USB charging interface design is convenient and fast, and there are multiple connection methods for power supply. Heating 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 discomfort. Can be washed repeatedly, and leakproof, can be immersed in water as a whole, the power interface is insulated and (do not insert the mobile power supply into the water for cleaning) The bottom of the heating scarf is wrapped with a zippered pocket, and the power bank can be safely placed in the concealed zippered pocket to power the carbon fiber heating unit (the power supply is not included in the package) Note: 1. This product is shipped without batteries (a USB powerbank), and you need to use your own powerbank 2. Please do not connect to the powerbank with the scarf when not in use for a long time 3. The heating time depends on the capacity of the powerbank 4. Do not use high temperature water or strong acid detergent