USB interface Plug and play No driver required Carbon fiber heating material:Low energy and high efficiency Connect the pad to your PC or laptop USB port and your hand will be quickly wamred by the internal heating pad USB plug to keep the inside temperature at 45°C and suitable for cold time and area It makes your hand warm and comfortable in the cold winter It operates on safe and reliable 5 volt USB power 19 x 21cm space to make the mouse move freely Length of cable: 124cm approx
