Save money. Cheaper when purchased as a set. ValueRays® 3-Piece Combination Set includes: 1 USB Warm Mouse, 1 USB Warm Keyboard Pad AND 1 USB Mouse Hand Warmer® ValueRays® USB Warm Mouse is an ergonomic USB infrared heated computer mouse designed using a carbon fiber infrared heating element to generate deep healing infrared heat to relax the hand muscles, soothe painful joints, reduce stress and tension of the hand, reduce hand pain and numbness, and create a warm mouse hand. A warm mouse review and reasons to use a warm computer mouse are available in the Learning Center. ValueRays® USB Warm Keyboard Pad is an ergonomic USB infrared heated computer keyboard pad placed in front of the computer's keyboard to rest arms, wrists, hands and elbows. It is designed with a carbon infrared heating element to create infrared heat for comfort of the hands used to type. It's a comfortable resting pad for arms and elbows. The soft sponge pad creates the perfect height for hand placement over the keyboard for typing. A well-equipped ergonomic computer workstation includes a heated mouse and keyboard. ValueRays® USB Mouse Hand Warmer® is a heated mouse cover - an USB mini electric blanket for the mouse hand. It is a low, steady heat with a carbon fiber infrared heating element sewn inside the double layer of fleece. The infrared heating element is positioned in the center of the blanket and creates warmth for the top of the mouse hand. The USB cord has a disconnect plug. See photos. The carbon fiber infrared heating element creates infrared heat and provides warmth and relief for a cold mouse hand and problems associated with many conditions which causes cold hand pain. The Mouse Hand Warmer® mouse pad is designed to hold any standard sized mouse and mouse pad.