With an ambidextrous design, the Logitech M525 Wireless Mouse offersgreat comfort and control for both right- and left-handed users.It works on the Logitech unifying receiver that allows you to connectup to six unifying devices for added productivity. The micro-precisescroll wheel is manufactured with more grooves per millimetre formore precise control. Laser-grade tracking makes it ultra-fast andsuper-responsive. This wireless optical mouse features an ergonomicdesign and soft rubber grips to provide exceptional comfort evenafter prolonged use.