Virtual 7.1 USB Stereo External Sound Card (Black) for Toshiba laptop . Virtual 7.1 USB Stereo External Sound Card for you to connect headphones or speakers, and a microphone to your computer without the need to unplug other devices!Features:Compliant with USB 2.0 and USB audio device specification 1.0, this USB to audio adapter couldn't be any simpler to install. Add a virtual 7.1 channel sound to your PC. Turn your stereo speaker / earphones into 7.1 channel environment. Compatible with both Desktop or laptop Notebook. Specification USB2.0 Full-Speed (12Mbps) Specification USB HID Class Specification 1.1 USB Audio Device Class Specification 1.0USB bus-power, no external power required! Connectors: USB Type A, Stereo output jack, mono microphone input jack Xear 3D virtual 7.1 channel sound simulation software for XP / Vista is included Functions keys: Microphone-Mute, Speaker-Mute, Volume-Up and Volume-Down LED indicators: Microphone-Mute Status, Activity Plug and Play. System Requirement Desktop or notebook PC with a USB port. Stereo active speaker or stereo earphone. Xear3D (Virtual 7.1 channel sound simulation software) Compatible with: Windows 2000, Server 2003, XP, Vista, Windows 7.Compatible With Toshiba Satellite C655 Qosmio X505 Satellite L505 Satellite A505 Satellite A300 Satellite A205 Satellite L300 Satellite L305 Satellite L305D Satellite L500 Satellite A215 Portege R835 Satellite P775-S7215 Satellite L655 Satellite L455 Satellite A665 Portege M200 Portege M700 Satellite A500 Portege M800 Satellite A105 Satellite L505D Mini NB505 Qosmio X500 Satellite P205D Portege A600 Portege M400 Mini NB205 Mini NB305 Satellite L355 Qosmio F50 Portege R500 Satellite L355D Satellite L755 Satellite A100 Satellite A135 Portege R830 Satellite C655D Satellite Pro L770 Satellite L645D Portege R600 Satellite A305 Satellite C675 Satellite C640 Tecra M5 Satellite U305 Portege M750 Tecra M9 Satellite P755 Satellite L750 Portege Z835 Tecra M2 Satellite 1410 Satellite Pro U400 S