Within the car radios and Bluetooth multimedia devices selection, Car Radio AUX Audio USB Cable Socket Plug Fit For Citroen C2 C3 C4 C4l C5 C6 Wit is listed as an option for adding wireless audio or hands-free connectivity. The named configuration references USB. Use the listed radio aux audio usb cable details to distinguish this version from similar car radios and Bluetooth multimedia devices. The title mentions Citroen C2 C3 C4 C4l C5 C6 Wit; compare that reference with your exact vehicle or equipment details before purchase. The final selection should be based on the page images, listed specifications, compatibility text and chosen variant.