Low-profile keys provide a quiet, comfortable typing experience Hotkeys enable easy access for Media, My Computer, mute, volume down, volume up, and calculator; 4 function keys control previous track, Stop, Play/Pause, Next track on your media player Simple wired USB connection; works with Windows 2000, XP, Vista, 7, 8, and 10 Smooth, precise and affordable USB-connected 3-button optical mouse for the desktop PC High-definition (1000 dpi) optical tracking enables responsive cursor control for precise tracking and easy text selection Pack of 10, Frustration Free Packaging (FFP) Certified OS : Windows 2000;windows xp;windows vista