Solu USB to 3d External Sound Card Audio Adapter Virtual 7-1 Channel Ch Sound Mic Speaker Double Adaprter for Windows 98se - Me - 2000 - Xp-WIN 7 -Server 2003 - Vista Linux Mac05 10 or Higher

the brand is the SOLU,About us (SOLU), welcome to our store for more choices with best price. What we pursue is your satisfication of our service, not just for our goods.For any reason you are unsatisfied with our product at any time, simply contact support for exchange or refund. we will reply you about any question you ask within 24 hours When the buyer get the goods,please put the headphone and microphone connected corresponding interface,attention please,the interface must be connected together,otherwise it is not sound.Then exsit the system which is already play on the computer.It will be no sound too if you don't do it at this point.Finally,connect the USB with the computer,open the play system and then you can enjoy the music. Introduction: The USB Virtual 7.1 Channel sound Adapter is a highly flexible audio inter face which can be used either with Desktop or Notebook systems.No drivers required, just plug and play for instant audio playback. also compatible with all major operation systems. Features: 1.Complaint with USB2.0 Full -speed ( 12 Mbps ) specification 2.Compliant with USB Audio Device Class Specification1.0 3.Compliant with USB HID Class Specification1.1 4.USB bus - Powered mode . no external power required 5.Connectors : USB Type - A, Stereo output jack, Mono microphone- input jack 6.Driverless - No driver required for Windows 98SE / ME / 2000 / XP /WIN 7/ Server 2003 / Vista . Linux . Mac05 7.Color: Black 8.Free switch between headphone and speaker. 9.Functions keys:Microphone-Mute, Speaker-Mute, Volume-Up and Volume-Down System requirement: Desktop or notebook PC with a USB port. Windows 98SE / ME / 2000 / XP /WIN 7/ Server 2003 / Vista. Linux . Mac05 10 or higher