iHome IH-M329P Travel, USB Retractable Mouse, Pink Precision Control With 1600 Dpi Precision Optics - Glides Smoothly Across Your Desktop Surface No Mess Retractable Cord - Retracts Into A Compact Size For Easy Travel And Storage System Requirements - Windows 2000, Windows Xp, Windows Vista, Windows 7 And 8, Osx 10.4 Or Later