Happy's Massaging Mouse Mate. Soothe and massage your overworked carpal muscles and tendons, and let Happy's House Mate provide you with a more comfortable computer environment. Happy's Mouse Mate is the only massage device specifically designed to provide stimulating massage with your natural movement. Simply place in front of your computer mouse in a distance that is comfortable yet not hindering your hand movement, and let your wrist ride smoothly over the uniquely designed massage heads. Fun and Effective. Massages while you use your computer mouse. Provides alternative motion to the wrist. Sturdy and compact for easy travel. Great therapy for your wrist while at the computer. Product Dimensions: 5.5 x 2 x 6.5 inches ; 6.1 ounces