Features: Elevates your Sound experiences with USB External Multifunction Sound Card, featuring true 5.1 and 7.1 channel support for cinematic sound immersions. from aluminum alloy, this sound card offer 48KHz sampling rate, full duplex playback and recording, and compatibility with various operating systems. for audiophiles, gamers, and home theater enthusiasts to enhances their computer Sound capabilities without the need for internal sound card. for setting up home cinema with 5.1 surround sound or for professional Sound editing, this external sound card connectors seamlessly to PC and Sound equipment. With its array of input and output option, including SPDIF optical in/out, this sound card to deliver Sound for entertainment and professional need. Specifications: Materials: Metal Size:as picture show Color: Gray, Silver(optional) Package Includes: 1PC USB External Sound Card note: Please allow 0-1cm error due to manual measurement. you not mind before bid. Due to the differences between different monitors, the picture may not reflect the actual of the item.