Wireless USB Pc Laptop Remote Control Mouse Controller for Xp Vista Maximum Remote Range 18 M (small) Support system: Support WIN98, WINME, WIN2000, WINXP, compatible with Windows MCE, WIN VISTA, WIN 7 operating systems and other operating systems. Compatible with almost all media player software. (WinDVD, RealPlayer, Winamp, MediaPlayer, PowerDvd, IE, Word, PowerPoint, etc.). Sanoxy PC Remote Controller Features: USB port, plug and play, no need driver. Wireless mouse function. This product is a computer remote controller with strong function. With it,music, watching movies, Browse the Web will become more convenience. Hotkey: A,B,C,D key, Each key can open 3 procedures from the definition. Numlock key: 4 functions shift--1;Cusor/2:Letters/3:Capital letter/4:Typewriting.