The left handed Goldtouch mouse is designed for ultimate comfort, and is the perfect companion for your computer. We help put your hand and wrist in a natural position that mirrors your hand laying on a comfortable, fluffy pillow. Combine comfort, tracking accuracy, and easy to use plug and play technology and you have the Goldtouch Mouse. The mouse features over-sized buttons to allow fingers of all sizes to activate (press) without bending in awkward or uncomfortable positions, and the extra-large thumb cushion helps maintain a comfortable grip for hands of every size without increasing the pressure applied by the thumb. The Goldtouch Mouse is compatible with Windows 2000, XP, Vista, Windows 7, Mac OS 10.4, and newerand doesn"t require additional driver installation.