Plan4Buy USB Sound Card Adapter USB 3D Virtual 5.1 Stereo & MIC PC Desktop Laptop Feature : Integrated 2 channel USB Audio ControllerReal USB Plug and Play drives2Ch speakers directly supports 3D positional sound and virtual 5.1 Ch sound trackUses USB port for power, no external power neededDigital Class-B Power Amplifier inside Do you have a Notebook, Netbook or Desktop PC and need to connect your existing Stereo Speakers or Headset and Microphone but do not have the common 3.5mm Phono Jacks available? The USB-SOUND CARD 2.0 from Plan4Buy is the ideal solution. Small and compact, the Plug and Play USB adapter simply plugs into any available USB Port on the Computer and allows immediate connection of Speakers, Headphones and/or Microphone into the standard 3.5mm Phono jacks located at the rear of the adapter. Fully color coded so you get it right first time! Specifications : Plug and Play (no need driver) Instantly creates a microphone in and audio jack out from any PC USB port USB powered, no external power required Benefit: The best entertainment for DVD title, music, game & online content software value-added for DVD. Line out for speakers / headphones - Line in for microphone. Compensates any desktop speakers with 3.5 mm cable Supports 3-dimensional sound; Virtual 5.1 sound effects It will give a complete sound card and microphone input to any PC with a spare USB port. No additional power required, and no drivers to install. An ideal solution for faulty sound cards in PC's, laptops or netbooks. Hot plug-and-play. Two socket, one for microphone and one for earphone or headphone. Compact and easy to carry. USB 3D Stereo Audio Adapter USB 2.0 Virtual External Mic Speaker 3D 5.1 Channel Audio PC Sound Card Adapter External USB 3D Stereo Audio Adapter USB 2.0 Virtual External Mic Speaker 3D 5.1 Channel Audio PC Sound Card Adapter Plug & Play No Drivers Needed2.0 USB bus-powered mode, no external power required. Plug in the adapter, configure the sound settings on your computer and enjoy.Digital class-B power amplifier inside. Supports 3D post tonal sound and virtual 5.1 sound track.Compact design, Plug & Play, no installation required! No driver required, just plug and play. The Problem You May Have : 1. After plug in, no response: Whether there is red light show ? if there is ,please ensure the USB has been installed successfully as show the above picture , if there is no such page show, it means the usb audio device installed fails, please try another computer. If there is no light show, please change another USB connector to have a look. 2. When connected, the sound from the headphones is normal, but the microphone sound is very small: This is caused by the volume of micro in your computer, please set the micro volume maximum. Package Include : 1 x USB Audio Sound Card Adapter. Notes : 1.Plug and play, when the product is connected to the computer's USB port, there will be a red indicator light. If the light is not on, you must want to change another USB port. 2. When this product is connected to the computer, wait for 5-10 seconds, the computer will jump out USB installation, the following screen will appear at w7 system. Only in this way, it represents the successfully installed, you can use. Integrated 2 channel USB Audio Controller Real USB Plug and Play drives 2Ch speakers directly supports 3D positional sound and virtual 5.1 Ch sound track Uses USB port for power, no external power needed Digital Class-B Power Amplifier inside. Instantly creates a microphone in and audio jack out from any PC USB port Compensates any desktop speakers with short 3.5 mm cable, USB powered, no external power required No External Power Required - Fully Powered By USB, USB 2.0 full speed interface plug and play, instead of traditional sound card; 2 .full support WAV / MP3 / WMA/MPEG1 (VCD) / MPEG2 SVCD) / AVI/DVD_Audio/DVD_AC3/DVD DTS/DiVX format files USB sound card