... RequirementsWindows98,ME,2000,XP,2003,X64,IBM1> Laser key cap,the words are hardly to ... 5> With shortcut buttons, such as audio play and so on, the functions are strong.Mouse features ... time1 MillionSpecification of the transmission2.4G digital wireless transmissionTransmission distance10 metersColorAvailable in various colorsInput powerOnly ... 2003,X64,IBMReceiverUSB 2.0 Wireless Keyboard & mouse combo