Note: Please allow 1?2cm error due to manual measurement. Thanks for your understanding. specification: Item Type: Heating Blanket_x000D_Material: Blended fabric_x000D_Size: Approx.78 x 47cm / 30.7 x 18.5in_x000D_Input Voltage: 5V2A Features: 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. PackageList: 1 x_x000D__x000D_HeatingBlanket