Item Type: Heating Blanket Material: Blended fabric Size: Approx.78 x 47cm / 30.7 x 18.5in Input Voltage: 5V2A 1Button design is very convenient and can be used as a shawl to be fixed on the shoulder. 2Easy to use, you can connect any device with USB interface, such as PC, computer, mobile power, car, etc. 3Made of high?quality blended fabric, very soft and skin?friendly, and it can be used by children. 4Can be used as a small blanket and draped on the legs, which is very suitable for long?term office work. 5Multifunctional use, can be used as a shawl, knee pad, you can use it whenever you want.Please allow 1?2cm error due to manual measurement. Thanks for your understanding.1 x HeatingBlanket