Heating Mouse Pad Usb Hand Warming Mouse Cover Heating And Warmth Keeping Electric Wrist Guard In Winterfeature: Usb Warmer Mouse Pad With Built-In Warmer Pad Can Help Warm Your Freezing Cold Hand While You Are At Work. After The Mouse Pad Is Connected With The Computer, The Temperature Can Be Ed To The Degree Suitable For You. Just Plug It Into The Usb Port To Warm Your Hand At Any Time. Lovely Design,Beautiful And Practial,Suit For Home And Office Desk. Please Note That The Heater Is Separated From The Mouse Pad. You Can Choose To Use Or Don’T Use The Heater When Using The Warm Mouse Pad. Dimensions: 30X21X4.5Cmpackage Content: 1 X Usb Heated Mouse Pad