The me12 simply plugs into your digital voice recorders microphone jack for uni directional recording in high noise environments it reduces ambient noise and improves transcription accuracy when using voice recognition software sensitivity of ndash 68 db and frequency response from 200 ndash 5000 hz with its 35 mm plug it is usable with all digital voice recorders using the dss file format reducing background noises to improve voice recognition application the me 12 simply plugs into your di