Product Description The Reliable Wireless Combos With A Tiny Plug-And-Forget Nano Receiver. Fast, Reliable Connection Up To 10-Meters With Virtually No Delays Or Dropouts Thanks To Logitech Advanced 2.4 Wireless Technology. Take This Compact Mouse Anywhere Your Computer Goes.Go For Months Without Changing Batteries. On/Off Switches Help Conserve Battery Use. Advanced 2.4 Ghz Wireless Work Or Play In More Places. The Wireless Connection Virtually Eliminates Delays, Dropouts And Interference And Gives You A Range Of Up To 10-Meters Range. Compact Mouse Take The Mouse With You. This Comfortable Mouse Fits Easily Into Computer Bags And Pocket To Travel With Your Computer. Extended Battery Life A 24-Month Keyboard And 12-Month Mouse Battery Lifeplus On/Off Switchesmeans You Can Go For Months Without The Hassle Of Changing Batteries. Eight Shortcut Keys Instant Access To Media Controlsmovies, Music, Internet, E-Mail, Play/Pause, Volume And Moreare One Touch Away. Full-Size Keyboard The Full-Size Keyboard With Number Pad, Directional Keys, And Nine F-Keys Is Comfortable, Convenient And Built To Last.