About this item NoteThe length of the heated waist belt is about94cm/37.00inch.Please check the size before buying.The Heated Waist Belt can only be used while charging. Please prepare a power bank by yourself. Advanced HeatingHeating pad features latest Graphene Heating Chip, deliver heat to your body to improve Blood Circulation and Relax the Muscles, greatly relieve pains from Back, Sore Muscles, etc. It has three different adjustable temperatures and three different high-frequency vibration frequencies, you can choose the mode according to your needs. Widely ApplicationAdjustable elastic straps for various waistlines. .It is Suitable for Multiple body parts hot compress, especially great for Waist, Abdomen and more. Automatic DesignThe portable heating pad is designed to automatically shut down. If you fall asleep during use, our product will automatically turn off within 30 minutes when it detects that you have not made any movement, which can ensure your health. If you want to use it again, just turn it on again. Wild ApplicationsYou can use our products in different scenarios, whether you are resting, reading, driving, or working, it will not have too much influence to you. After using our products, can effectively relieve your physical discomfort, such as waist and abdomen pain, menstrual pain.