USB 2.0 External 7.1 Channel Sound Card 3.5mm Stereo Headphone Adapter Laptop PC
USB 3.0 External Sound Card 7.1 Audio Adapter for Windows 10 Win PC Laptop MacOS. Two jacks, the green one is for stereo output, and the yellow one is for mono microphone input. Add a virtual 7.1 channel sound to your PC or laptop.