Specifications: Supports ordinary speakers or headphones with microphone holes. USB interface, plug and play, replacing traditional sound card. Microphone recording function. Karaoke function and mixer function. Multi-channel technology for 7.1-channel dynamic sound. Dynamically rotating the sound field. Headphone and speaker mode free switching function. Analog speaker position free adjustment function. Output level adjustment. Convert analog signals (line signals from microphones and CDs, MP3s, TVs, radios, etc.) to digital signals and save functions. Type: Sound Card Material: Plastic Interface: USB Sound Channel: 7.1 Channel Features: External, Easy to Use, Mic Headphone Jack Cable Length: 25cm/9.84" (Approx.) Notes: Due to the light and screen setting difference, the color of item may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Sound Card