Genuine Dell OEM Inspiron 7306 2-in-1 USB and Audio Port IO Circuit Board- this houses 1 USB port, microSD card reader slot, and the audio port.
Compatible Dell Laptops/Notebooks:
Inspiron 7306 2-in-1 Silver
Inspiron 7306 2-in-1 Black
DPN: CJ8X7
alt p/n:
Hellcat13 CML_U IO BD