Check the listing for details. USB 2.0 3D Virtual 7.1 Channel Audio Sound Card Adapter. Condition: New. Listed at 5.98 USD. USB 2.0 3D Virtual 7.1 Channel Audio Sound Card Adapter Package: 1 USB 2.0 3D Virtual 7.1 Channel Audio Sound Card Adapter Features: 100% Brand New Compact, portable, convenient to carry The USB Virtual 7.1 Channel Sound Adapter is a highly flexible audio interface which can be used either with Desktop or Notebook systems, It turns your stereo speaker or earphones into 7.1 channel environment. No drivers required,just plug and play for instant audio playback, also compatible with all major operation systems. Specifications: Size: 56 x 25 x 18mm LED indicators: Microphone-Mute Status, Activity USB2.0 Full-Speed ( 12Mbps ) Specification USB HID Class Specification 1.1 USB Audio Device Class Specification 1.0. USB bus-powered, no external power required. This is USB 2.0 External 7.1-Channel Audio Sound Card Adapter. It can work with either desktop or laptop. it extends your stereo speaker or earphone to 7.1 channel environment, giving you high quality sound enjoyment. Connectors: USB Type A, Stereo output jack, mono microphone input jack Functions keys: Microphone-Mute, Speaker-Mute, Volume-Up and Volume-Down Plug and Play. No drivers required for Windows 2000 / XP / Server 2003 / Vista, Linux, Mac OS Contact Us (1) We strive to provide the best service as possible, commit to resolve all problems and give fast shipping. (2) Please contact us before giving any negative feedback. If you have any questions, please do not hesitate to contact us. Payment (1) All payments must be prepaid and cleared. (2) We only accept Paypal payment. After checkout, please make through Paypal service. Shipping (1) Buyer is responsible for any incorrect address and undeliverable address. We reserve the right to charge the shipping fee again for returned items due to wrong address. We take the paypal address as your shipping address. Please make sure your shipping address is correct during check out. (2) Your order will be shipped within 24 hours after payment is cleared (Sat. & Sun. excluded and holidays) (3) We ship orders using USPS (United States Postal Service). The shipment usually takes 2-4 business days, excluding holidays, Saturday and Sunday (4) Local pick up is not available. (5) No International Shipping. Warranty (1) This product has a 30-day warranty. (2) Warranty does not extended to any products that are buyer's negligence, abuse, misuse, improper installation or physically damaged on the buyer or user's part. (3) Please contact us before making a replacement or refund. (4) In case of returning, buyer must pay their own postage and shipping fees for replacement or refund. We will provide replacement or refund after product is received.