Features: 100% brand new and high quality Compact and Portable: Durable aluminum alloy casing material made the USB to headphone adapter compact and lightweight. USB external sound card easily adds a 3.5mm aux TRRS port (integrated audio-in and audio out interface) to your computer, which enables you to connect your existing headset with 3.5mm TRRS to your PC through a USB interface. Alternative USB Stereo Audio Adapter: It is perfect to bypass a faulty sound card, audio port, or as a replacement for a broken USB audio adapter. Easy to set up: no driver required, just plug and play USB bus-powered, no external power required. Wide Compatibility: Windows 10/98SE/ME/2000/XP/Server 2003/Vista/7/8/Linux/Mac OSX/ PS5/ PS4/Chromebook/ Windows Surface Pro 3/ Raspberry Pi are ok with the usb to audio adapter. Please kindly note it only supports mono microphone TRS. Support headset and microphone dual function (PS: You need to wear a headset with mic to achieve voice function). Package Includes: 1x External Sound Card Specifications: Color: Black/ Silver/ Grey/ Gold Material: Aluminum Alloy Casing Connector Type: Usb Supported Channel: 7.1 Channel Jack End Size: approx. 51x14mm/ 2x0.55in USB Size: approx.31x15mm/ 1.22x0.59in note: Due to the lighting effects and shooting angles, there is color difference in the product, please understand. Due to manual measurement, there is a tolerance in the product size.