USB Heated VestHeats quickly in seconds using 5V or other USB power source (such as computer USB port, adapter or charger, power supply not included). ! Whether you're camping or glamping, cold nights require a cozy electric blanket poncho! This is a stylish, warm and lightweight portable heating blanket that you can take anywhere! Great for kids and adults. Thermal Conductive Material The heated vest is made of 100% polyester fabric, and the heater is made of high-grade carbon fiber, with a local maximum temperature of up to 55 degrees Celsius. 131 degrees Fahrenheit Heating SettingThe heated thermal shawl heats up quickly in seconds! 3 levels of temperature settings, energy-saving level 45 degrees, comfort level 50 degrees, and warmth level 55 degrees. Removable and washable. Large Size121X150 cm/47.6X59 inches. There are 6 heating elements distributed. Washable. This is the best gift to bring warmth to family and friends on Christmas birthday. Can be used to cover knees, wrap waist, shawl, cushion, and keep warm. Easy CareMachine wash cold on gentle cycle, tumble dry low, wash separately, do not bleach, do not iron.