UGREEN usb audio adapter is ideal to replace your faulty sound card or audio port, it adds a mono microphone-in and a stereo audio-out port to your computer through a USB port, which enables you to connect your existing headphones, headset, speakers, or microphone with 3.5mm jack to your PC through a USB interface. Superior Features: No driver required, just plug and play! USB bus-powered, no external power required for this convenient sound card. SpecificationsComputer Connector: USB 2.0 MaleHeadset/Speaker Connector (Green): 3.5mm FemaleMicrophone Connector (Pink): 3.5mm FemaleCable Length:15cmChipset: C-Media