<p>For a failed audio card in a laptop; USB powered adapter requires no external power; Pair with a USB hub or a USB extension cable for a flexible installation; Convenient 3-Pack USB to audio adapter provides a spare to travel with your laptop.</p> <p>Applies to: 3.5mm jacks such as earphones, headphones or microphones The device stops working or the output cuts in. It also applies to computer \/ laptop \/ desktop sound card and motherboard connections. You can also use the microphone and headset with your \/ Mini device.</p> <p>The External USB 2.0 Sound Card Adapter can work with all major operation systems like Windows 98SE\/ ME\/ 2000\/ XP\/ Server 2003\/ Vista\/Windows 7, Linux, OS, etc. and portable size makes it convenient to take everywhere.</p> <p>Audio adapter with no external drivers required; Plug in the adapter, configure the sound settings on your computer and enjoy; USB powered adapter boosts the signal of your headset, speakers, or microphone.</p> <p>Support 3d sound(Ac-3)and virtual 5.1 sound track,the best entertainment for game,dvd music.</p> <p>Colour: random color, don't accept the specified color</p> <p>Material: plastic</p> <p>Size: 51 x 22 x 12mm</p> <p>Package Contents:</p> <p>3 x USB sound card adapter</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>