Specifications:<br />No drivers required・ just plug and play for instant audio playback.<br />Add a virtual 7.1 channel sound to your PC or laptop.<br />Turn your stereo speaker or earphones into 7.1 channel environment.<br />USB 2.0 full-speed (12Mbps) specification.<br />USB audio device class specification 1.0.<br />USB HID class specification 1.1.<br />USB bus-power mode・ no external power required.<br /><br />Type: External USB Soundcard<br />Color: Black<br />Virtual: 7.1<br />Connectors: USB Type-A・ Stereo Output Jack・ Mono Microphone Input Jack<br />Functional Keys: Microphone-mute・ Headset-mute・ Volume-up・ Volume-down<br />Requirements: for Desktop/Notebook/PC with a USB Port・ Stereo Active Speakers or Stereo Earphone<br />Supports System: for Windows 98/SE/ME/2000/XP/Server 2003/Vista/Linux/Mac OS 10 or Higher<br />Size: 6cm x 5.4cm x 1.4cm/2.36" x 2.13" x 0.55" (Approx.)<br /><br />Notes:<br />Due to the light and screen setting difference・ the item's color may be slightly different from the pictures.<br />Please allow slight dimension difference due to different manual measurement.<br /><br />Package Includes:<br />1 x External USB Soundcard<br /><br />harmony is our products aims.