Ergonomically sculpted shape, enlarged buttons and friction less design lets you work for hours without fatigue. Never have to double-click again when you use the conveniently placed middle button. Zip across the largest desktop on the highest resolution monitor at a touch of your hand. You need this mouse if you are using monitors with 800 x 600 resolution and above. Outdated mechanical mice operate on the friction between their rubber coated ball and the surface of the pad.
Friction causes wear and tear as well as frequent cleaning is necessary to maintain the performance.
With no moving parts or mirrors to get misaligned, it is a friction less design that is also incredibly rugged. It requires a special Pad that Comes with it. NO SLIP 7.