The USB sound card is convenient and practical, with excellent texture, and can serve you for a long time without being easily damaged. The craftsmanship can serve you well without breaking easily. This is a very practical USB sound card. Features -Color:Random Color -Material:Aluminum Alloy, ABS, electronic components -Size:4.30X2.50X1.10cm/1.69X0.98X0.43in Port: USB 2.0, stereo output, mono microphone input Channel: 7.1 - Just plug in the headphones or speakers, and you can enjoy the wonderful music immediately! Small size, easy to carry. - Provide headphone output or microphone input for computer with malfunction audio ports. - No need to install driver yourself, just . - Support multi-channel technology to achieve 7.1-channel dynamic sound effect, you can enjoy great sound effect with it. - It is manufactured with professional technology to ensure the product can work for a long time. Package list: 1 x USB Audio Adapter