This is the power button daughter circuit board; for the Latitude E5540Laptop. The microphone also resides on this board.
Guaranteed Compatible Dell Laptops:
-Latitude E5540
-Latitude E5440
DPart Number: N/A
Alt Part Number:
VAW30 LS-9835P
NOTE: The ribbon cable is not included, available separately- the E5540 and E5440 will use different cables.