A little Christmas surprise: In every product we send out in the run-up to Christmas, you will find a beautiful Christmas card. We wish you a unique and merry Christmas! USB powered heat belt - With an efficient and practical USB port, the heating pad can be powered via various USB interfaces, such as a computer, power bank and more. This allows maximum mobility and flexibility. (Not less than 5V2A) Constant temperature control - USB heat belt wireless with three heat settings, offers you the opportunity to adjust the temperature in three different levels, 30/40/50. Thanks to the advanced technology to keep the temperature constant, you can be sure that your back stomach will always stay warm and comfortable. Safe and reliable USB heat belt with built-in safety system and 2H automatic shutdown, you don't need to worry about overheating or other safety risks. Full body relief - heating pad in addition to the use on the back, it can also be used for the stomach, thighs, legs to improve blood circulation and muscle tension, a winter must-have for you and your family. Skin-friendly fabric the heating pad is made of microplush and polyester material, the Velcro fastener allows soothing compression. Heat belt is very skin-friendly, soft, warm and comfortable, perfect the effect of wet compress physiotherapy. Fast Heating- The built-in heating copper wires of the heating pad are distributed uniformly to achieve heat up in seconds, quickly reaches the desired temperature and provide sufficient heat. Adjustable Belt- This heating belt is flexible, with an adjustable strap to fit man or woman of all shapes and sizes. Wide apply on offices, home, etc. Ideal gift for office worker, student, teenager, the old man. . It makes a good wellness gift for her or him, for birthday, Mother's day or Father's Day.