Features

The iMic universal audio adapter is a USB device that allows
the connection of virtually any microphone or sound input
device to the iBook, G4 Cube, Titanium PowerBook G4 or any
other Mac with USB ports. Currently shipping, the iMic supports
line and Mic level input as well as line level output for any USB
capable computer.

Specifications:
Adapter Type: Audio Input

Interface with Host: USB

Platform: Mac

Audio Support Included

Operating System: Apple MacOS

Dimensions
Height 0.83 in.
Weight 0.13 lb.