Good Sound Quality. 7.1 USB External Stereo Sound Adapter adopted Advanced digital technology. 5 multi-channel technology to achieve 7.1 channels of dynamic sound.Dynamically rotate the sound field. Convert analog signals (microphone and CD, music, TV, broadcast signals, etc.) into digital signals and save function The drive speaker directly supports the sound of the three-dimensional space position and the virtual 7.1 channel for optimal sound quality and device performance.

• Cost effective.7.1 USB External Stereo Sound Card is perfect to bypass a faulty sound card, audio port, or as a replacement for a broken USB audio adapter. Save the cost of replacing a failed sound card.
•  Support operating system: Windows /2000/2003/XP/Vista/Win7/Linux/WinCE(5.0 6.0) / Android (2.1, 2.2, 2.3, 4.0) / Mac.With CM108 chip.23 kinds of protection modes in the acoustic field, 16 kinds of rhythm protection modes.
•  Interface Type：USB2.0-3.5MM audio output / microphone input.High-speed USB2.0 anti-interference, no current sound, no noise, drive-free support for WIN xp win7 2000 win8 and also supports Apple desktop¬ebook.Indicator: red is normal connection, flashing is signal input.
•  PLUG AND PLAY.No need to drive. No external power adapter required.