Designed for small to medium right hands, the Logitech Lift Vertical Ergonomic Wireless Mouse features a unique vertical shape, complete with a soft textured grip and a snug thumb rest. The 57° angle helps promote a natural posture in the forearm, allowing for day-long comfort and productivity. At your fingertips are four easy-to-reach customizable buttons, quiet clicks, and a SmartWheel for smooth, seamless scrolling. White.