Overview: If you are not satisfied with the sound quality of your computer, this Virtual 7.1 Channel sound card can help to improve the level of audio and enhance the sound effect. GS3 USB 2.0 Sound Card can be your best choice to replace the traditional one. Features: Strong Compatibility: Compatible with almost all earphone, headphone, microphone, and gaming headset, etc. It turns your earphones into 7.1 channel environment. Sound Card Structure: Interfaces includes USB, 3.5mm single jack (4-pin) and 3.5mm double jack (3-pin) - headphone jack and microphone input jack. Functional Keys: Functional keys includes microphone-mute, 7.1 Channel ON/OFF and volume-up/down roller, sound effect buttons for 2 popular games, easy to use. Plug and Play: Standard USB Connector replaces the Traditional Sound Card. No drivers required, just plug and play for instant audio playback. Operation System: It is suitable for all major operation systems. Compatible with Mac OS X, Windows XP, Windows Vista, Windows 7/8/10, Linux, etc. Specifications: Model Number: GS3 Color: Black Main Item Size: Approx. 18.1 * 3.4 * 2.2cm / 7.12 * 1.33 * 0.86in Main Item Weight: 31g / 1.09oz Package Size: 20.2 * 7.2 * 2.9cm / 7.95 * 2.83 * 1.14in Package Weight: 66g / 2.32oz Package List: 1 * USB Sound Card 1 * User Manual (CN/EN/JP/DE/ES/PY)