High-quality thermal insulation materials-products made of velvet plush fabric, in which the heater is composed of high-grade carbon fiber. The highest local temperature is as high as 50 degrees Celsius. Washable and durable-This kind of heating pad wrap can be divided into inner heating jacket and outer jacket, and jacket with invisible zipper. If you open the zipper, you can remove the internal heating jacket for cleaning. Rapid heating-Heat immediately and energize to reach the rated temperature within 3 to 6 minutes. Very suitable for family, office, outdoor walking, camping, etc. Widely used-USB heating blanket is a soft plush blanket surrounding the heating pad. Can be used for feet, seat cushions, heat dissipation. USB powered, super convenientThis product box can be inserted into any 5V USB port, such as charger, mobile power, car USB charging and computer. In addition to keeping warm, it can also effectively relieve pain and is suitable for patients suffering from arthritis, low back pain, cold feet and menstrual women. Application scenarios: home, school, office, car travel, outdoor camping, fishing, etc. The heating can be disassembled for easy cleaning Features: 1. Firmly lock the temperature at 360: Put your feet into the foot warmer and connect to the USB port to enjoy 360 warm care. 2. Washable, washing suggestion: gently wash, let it dry naturally, machine wash is forbidden 3. Super soft short plush, no hair loss, skin-friendly and comfortable. 4. Convenient to use: USB interface design, it can be hot when it is turned on, convenient and practical. 5. Anti-slip design: anti-slip fabric spliced on the reverse side, the foot warmer will not slide easily when placed on the ground. specification: Material: Super soft flannel Size: 38x28CM Power: USB Temperature: 50C Voltage: 5V1A Products include: 1 x foot warmer (including USB cable)