Package Include 3 x USB Audio Adapter Characteristics Channel: 7 USB Audio Adapter for Laptop. Port: USB 2 USB External Sound Card. -Color:Golden external sound card -Material:Aluminum Alloy, ABS, electronic components USB -Size:4.30X2.50X1.10cm/1.69X0.98X0 PC sound card. - Provide headphone output or microphone input for computer with malfunction audio ports to usb. - It is manufactured with professional technology to ensure the product can work for a long time USB to audio adapter. - Just plug in the headphones or speakers, and you can enjoy the wonderful music immediately! Small size, easy to carry sound effects board. - Support multi-channel technology to achieve 7.1-channel dynamic sound effect, you can enjoy great sound effect with it universal audio interface. - No need to install driver yourself, just Sound Card with Headphone Jack.Goods Informationcomputer adapters for laptops The exquisite craftsmanship can serve you well without breaking easily.Sound Card with Headphone Jack The USB sound card is convenient and practical, with excellent texture, and without being easily damaged.USB adapter This is a very practical USB sound card