SCIENTIFICALLY PROVEN: Studies show that a vertical mouse causes less strain on your wrist and arm (it’s BETTER for you) NATURAL: Your arm was not meant to be twisted in a horizontal position (try putting your hands by your sides and raise them slowly - that is the natural position for your hands!) DPI SWITCH: Choose between 1000-1600-2400-3200 DPIs! LED LIGHT INDICATOR: Glows Green/Pink/Blue/Red depending on your DPI configuration COMPATIBILITY: Compatible with Windows and Mac OS X
