GS3 7.1 Channel Sound Card Converter Adapter External USB Audio 3.5mm Headset Stereo for PC Notebook Desktop Description: 1. Designed for 3.5mm jack devices that stop working or output cut-in and cut-out problems, such as headphones or microphones. 2. It is also applicable to the interruption or disconnection of the connection between the sound card and the motherboard of the computer/laptop/desktop. 3. The microphone/earphone mute design enables the earphone and speaker modes to switch freely without unplugging any plug from the computer. You can adjust the output audio sound through the volume adjustment wheel. 4. The mixer function can adjust the output level electronically. Function keys include microphone mute, speaker mute and volume up/down scroll wheel, which can easily extend stereo speakers or headphones to 7.1 channel environment, thus bringing you high-quality sound enjoyment. 5. Easy to use, drive-free installation, plug and play Feature: Complies with USB 2.0 full speed (12Mbps) specification. USB power supply mode without external power supply. Connectors: USB Type-A, stereo output jack, mono microphone input jack. Support virtual 7.1-channel sound simulation software for Windows XP/Vista. Windows 8/7/9/10/2000/XP/server2003/vista, Linux, MacOS need free drivers. Specification: Cable length: 7.5cm/2.95in Sampling rate: 44.1K/48K/96K Function: Virtual 7.1 Surround Sound System compatibility: for Windows XP, Windows Vista, Windows 7/8/10 Gift box size: 200*70*30mm/7.87*2.75*1.2in Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. 1 X Sound Card 1 X Instruction