1. 7.1 USB Sound Card: This external sound card can add up to 7.1 channel sound to your computer through a single USB port. It supports 7.1, 5.1, and stereo output using 3.5mm jacks, headphone ports, line inputs, and stereo microphone inputs. Enjoy an immersive sound experience, making it ideal for gaming, movies, and music.
2. High Resolution Music: Upgrade your PC sound with this bus powered sound to USB adapter, which supports both analog and digital sound output. It can be used for stereo to 7.1 channel sound applications, enhancing the existing integrated sound on your desktop or laptop.
3. SPDIF Digital Sound: Supports sampling rates of 32KHz, 44KHz, and 48KHz for analog playback and recording. SPDIF digital output only supports 48KHz sound playback, while the SPDIF optical input directly passes through up to 48KHz stereo sound, allowing you to enjoy your favorite high resolution music on platforms like for Spotify, for y​outube music​, for IOS Music.
4. Aluminum Alloy Casing: The sound card features a full aluminum alloy casing, completely isolating electronic interference to ensure lossless sound signal transmission without static or ground noise.
5. Plug and Play: No need to worry about compatibility or external power. This sound card seamlessly works with PCs and support for OS X that do not have a built in 7.1​ card.

Specification:
Item Type: 7.1 USB Surround Sound Card
Material: Aluminum Alloy
Color: Silver
Input Port: USB 2.0
Channels: Supports 7.1, 5.1, and Dual Channel Output

How to Use:
Remove the product from packaging before use

packing list:
1 x Sound Card