Description Genuine Dell OEM Left & Right internal microphone modules for the Dell Optiplex 7460 and Inspiron 24 (5477) All in One Desktops. Dell P/N: N2K9K, 0N2K9K Compatible Desktops:OptiPlex 7460 AIOInspiron 24 (5477) AIO Part Number N2K9K Condition Used: Very Good Shipping Weight 0.1 lb(s). Item Category Microphone