Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. specification: Item Type: Heating Back Straightener_x000D_Main Functions: For Keeping Warm and Heat, Thermal Back Physiotherapy, Keep Warm for People with Cold Body Features: 1Intelligent temperature adjustment, three levels mode, can be adjusted freely according to needs. 2Heating by carbon fiber thread, fast heating speed, continuous bending, low energy consumption, safe and convenient. 3Far infrared heating energy penetrates deep into the skin and assists in expelling body moisture. 4Open design, the size can be adjusted at will, comfortable to wear, to meet the needs of different groups of people. 5Has a good anti cold effect. It can be worn on the body to keep the back warm and warm. It is suitable for wearing in cold weather. PackageList: 1 x HeatingBackStraightener 1 x USB Cable