Check the listing for details. TECKNET 6-Button USB Wired Mouse with Side Buttons, Optical Computer Mouse. Condition: New. Listed at 12.99 USD. TECKNET 6-Button USB Wired Mouse with Side Buttons, Optical Computer Mouse TeckNet UM013 USB Wired Mouse UM013:The quick, comfortable mouse that helps you get more work done. TeckNet's Hyper-Fast scroll wheel and a precise Optical sensor make this mouse one very capable companion. The sculpted design gives you the support you need for work or for play.TruWave Optical technology:TruWave Optical technology delivers smooth, accurate performance on virtually any surface, Comfort for either hand, the latest PC Optical Mouse design makes clicking and scrolling more comfortable and convenient - no matter which hand you use.Plug-and-Play Simplicity:No software, no hassles—you simply plug in the USB and start using your mouse right away.Back/Forward buttons:Moving quickly between documents or browsing your favorite Web sites is a breeze with large, easy-to-reach Back/Forward buttons.Comfy, Contoured Shape:The contoured design feels good in right hand and offers more comfort than a touchpad.SpecificationsButton Count: 6 buttonsDPI Resolution: 1000/2000DPIReceiver interface: USB version 2.0Maximum speed: 25Inch/secAcceleration: 15GOperating Voltage: 4.75V 10%Operating Current: 50mASize: 106 x 67.8 x 39.5mmWeight: 98gCord Length: 4.9ft (1.5m)Compatible: Windows 2000, XP, VISTA, 7, 8, Chromebook, Mac (side buttons not work on Mac)Box Contains:1 x TeckNet UM013 Wired Mouse1 x Manual1 x TeckNet Card