Convenient Gadgets & Gifts USB Heated Shawl and Lap Blanket - Blue Color - USB Heated Throw Perfect Alternative to an Office Desk Heater The USB Heating Blanket is a soft plush velour blanket surrounding a heating pad. USB Powered, this computer blanket plugs it into any Desktop or Laptop, PC or Mac. Blanket measures 31 inches long by 17 inches wide. Internal heating pad measures 13 inches long by 10 inches wide. Cord measures 48 inches long. Two levels of heat - use 1 USB plug for low and 2 USB plugs for high. Heat output is equal to about 1 cat (or small dog). This heated blanket is the perfect alternative for workplaces that do not allow office desk heaters.