USB 2.0 Sound Controller equipped with standard input and output connectors to add great Mono Input and Stereo Output performance 
Portable Sound Card For Desktop and Laptop Computer 
Multi-channels technique, achieve analog Stereo 5.1-channel sound effects 
Hot plug-and-play USB interface ,eliminates the need of traditional sound card 
Easy to Setup and Install 
Instead of struggling to reach your computer's ports on the back, wouldn't it be nice to connect your speakers or microphone to the front.
This simple adapter adds a microphone-in and an audio-out port to your computer through a USB port. 
It's a great way to connect peripherals whose cords aren't long enough to reach around the back of your PC.