The ME-52W plugs directly into your Olympus digital voice recorder's 3.5mm microphone jack for uni-directional recording in high-noise environments. It will cut down on much of the background noise and result in a more accurate transcription. It also comes with wind screen cover, a tie-clip and 1m extension cord. Useful for dictation Ideal for making reports while on the move. This microphone captures your voice while leaving your hands free The microphone direction can also be fine-tuned to ensure your voice is captured.