We know this is a bit cutesy, but the useful USB 2.0/1.1 Warming Mouse Pad can heat up your mouse, hand, or new kitten. The glove supports both Windows and Mac and either optical or trackball peripheral. The device heats up 15º in only 5 minutes. Made of wool and cotton, it has a convenient hole for the cord. At a size of 29 x 33cm and a weight of 83g, it comes with a 120cm cable and a price of $22.00.