OM System E0485004-TP8 Olympus Telephone Pickup Microphone│1.5m│No Packaging
PART NUMBER: E0485004. Just plug the TP-8 jack into the "MIC" jack of your recorder, and put the earphone side into your ear. Ear pieces in three different sizes (S/M/L) are included. Plugs into the MIC socket of a recorder.