... light: Multiple indication lights for signal, data transmission and power. System Requirements · Android PC OS, Mac OS, Linux(Debian-3.1 ... ,Redhat-9.0 Ubuntu-8.10 Fedora-7.0 tested), Windows 2000, Windows XP, Windows ... : black Also have Bluetooth Option for environment that with full bluetooth support Wireless mini keyboard with touch pad,back light,laser pointer(10A)