100% and high quality Feature: Virtual 7.1 soundtrack game sound card. Adopting SSS1629A5 chip, which has the latest professional virtual channel surround sound effect, GS3 is a game sound card that really supports the realization of virtual 7.1 channel surround sound effect. Drive free installation, plug and play. No setting, one key start 7.1 channel mode, reduce unnecessary cumbersome and complex system software setting. The built-in headphone amplifier module supports the sound card knob to increase the headphone volume by 15MW. It supports dual-mode headphone system, 3.5mm single plug (Level 4) and 3.5mm double plug (Level 3) system, and realizes the function of Turning Ordinary headphones into 7.1-channel headphones. It easy to extends your stereo speaker or earphone to 7.1 channel environment, giving you high quality sound enjoyment. It is compatible with multiple systems: for Windows XP, for Windows Vista, for Windows 7/8/10, Linux, for OS X and other systems. It is also suitable for sound card in the computer/laptop/desktop that dying or losing connection with motherboard. Specifications: Item Type: Sound Card Model: GS3 Material: plastic+metal Size: Cable Length: 7.5cm/2.9in Color: Black Sampling rate: 44.1K/48K/96K Features: virtual 7.1 surround sound Function: large knob tuning/one-key 7.1CH/mute Compatible mode: single/double headset Quantity: 1 Pc Note: Transition: 1cm=10mm=0.39inch Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package Includes: 1 x Sound Card