USB 2.0 External Audio Adapter, 7.1 Stereo Sound Card Dynamic 3D Surround Sound Card 5Hv 2-Channel Converter to 3.5mm HeadphoneMicrophone Jack,

Chipset: CM 108 MMSH 8, Connectivity: USB 2.0 High-Speed ​​Class A, Input/Output: 1 x Output Jack 3.5 mm Stereo Headphone, 1 x Input Jack 3.5 mm Mono, Supported Output Formats: 16-bit, 44.100 Hz CD Quality, 16-bit, 48.000 Hz DVD Quality, Other Features: Bass Boost, Virtual Surround, Room Correction, Volume Balance. Backward Compatible USB 1.1: USB Bus Powered Mode (No Driver Installation Required). Plug and Play for High Portability (Ideal for Mobile Transfer)