1Adjustable Button: Electric heated neck wrap can be fixed on the neck and shoulders, enjoying maximum comfort and convenience, and making you relax. 2Ergonomics: Heating pad can prevent the heat from the shoulder and back from rapidly losing, and the heating pad spreads the heat evenly to neck and waist. 3Digital Display Controller: The higher the value, the warmer the temperature. Adjustment range is 40-60 Celsius, which has 6 gears temperament, it is practical for you to use. 4Automatic Temperature Control: Shoulder heating pads has a built in chip to help select a comfortable temperature. When the target temperature is reached, it will automatically stop heating to ensure safe use. 5Super Soft Cotton: Heated neck wrap is soft and comfortable, slippy and delicate, making you feel warm, it has detachable design and easy to clean.