This USB adapter from Delock enables the connection of headsets and microphones with a 3.5-mm jack plug and is especially designed for use with video calling programmes such as Teams, Zoom or Skype for Business. Note Depending on the system setup and existing system configuration, the system may not support all of the buttons functions. Specifications https://elecena.pl/product/19894759/66731-sound-card-external-button-control-usb-2-0 2021-11-22 https://elecena.pl/product/19894759/66731-sound-card-external-button-control-usb-2-0 2022-07-05 https://elecena.pl/product/19894759/66731-sound-card-external-button-control-usb-2-0 2025-04-06 https://elecena.pl/product/19894759/66731-sound-card-external-button-control-usb-2-0 2025-06-25