Feature●Carbon Fiber Heating: The electric heater uses composite fiber heat wire, high-density heat, and uniform heating temperature, high temperature, and resistant to oxidation, and the circuit burn out, and long service life●Wide Range of Use: The electric heater can be placed directly into clothing such as jackets and vests to maintain warmth and heater. Lightweight and convenient, easy to carry for outdoor activities such as winter camping●Soft and Waterproof: Made of soft fabric, built-in thermal fiber heating material, comfortable, wear-resistant, and durable. Fully waterproof coating, isolate the outside and enhance the waterproof effect●Product Specifications: Power supply: 5V 2A; Power mode: USB charging; Material: Composite fiber; Adjustable temperature: 45 - 65; Single heating film size: Approx. 3.1 x 4.7 inches (80 x 120 mm) / 3.1 x 4.7 inches (80 x 120 mm); Applicable range: Vest garment belt waist protector shoes; Features: Washable, lightly rubbed insulated, no static, and is not easy to pull out●(3 Temperature Adjustments) The heating sheet has 3 levels of temperature and gear settings in red hiene, blue midrange, and green low endDescription Electric Heating Sheet, USB Electric Heating Pad, 5V/2A, 8 Row Type, 3 Levels Temperature Adjustment (45°C - 65°C), Carbon Fiber Heater, For Clothes, Autumn and Winter, Cold Protection, USB Heating, Foldable