Reliable 2.4 GHz Wireless Mouse : The Logitech mouse M171 provides a powerful 2.4 GHz connection up to 33 ft /10 m away from your Windows computer or laptop device; it produces virtually no delays or dropouts in connectivityPlug-and-Play Connection : This wireless mouse is incredibly easy to use and versatile; simply insert the receiver of the mouse into your USB port on any computer and begin using it immediately, there is no pairing or software download requiredDurable and Compatibility : You get the high quality and reliability that's made Logitech the global computer mouse leader, at a price you can afford plus a three-year limited hardware warranty; this mouse is compatible with all operating systemsPower-Saving Features : This mouse works for 12 months, to extend the battery life, switch the power off when not in use, your battery life may vary slightly based on your computing conditions and how you use the mouseComfortable and Mobile : The ambidextrous shape and ability to reassign right and left buttons makes it ideal for left- or right-handed individualsUpgrade to Logitech M220 Silent Mouse, for increased comfort : Sculpted shape, silent clicks and longer battery life (18 months)