Compatible with USB2.0 pure digital audio output, virtual 7.1-channel processing capability
item details:

★ A compact LED light;
★ support for ordinary speakers or headphones, with a microphone hole;
★ USB interface, plug and play, to replace the traditional sound card;
★ microphone recording function;
★ Karaoke function;
★ multi-channel technology to achieve 7.1-channel dynamic sound;
★ dynamic rotating sound field;
★ headset and speaker mode free switching function;
★ Analog speaker position free adjustment function;
★ output level adjustment;
★ 16 kinds of rhythm preset mode;
★ 23 kinds of sound field preset mode;
★ The analog signals (microphone and CD, MP3, TV, tape recorders and other line signals) into digital signals and save the function
Looks exactly like flash drives, black shell, a simple USB interface device, plug and play.