Go wireless with the ergonomically styled Targus W571 wireless optical mouse. Its 1600 DPI optical sensor provides a precise response to mouse movements and its 2.4 GHz wireless technology reduces interference, delays, and signal drops for excellent tracking. Just keep the small receiver plugged into your computer's USB port or tuck it away into the convenient storage compartment inside the mouse for those of you always on the go. This mouse is comfortable to use, complete with technology that's convenient and highly functional.