Olympus TP-7 Telephone Adapter Multipurpose Earphone/Telephone Pickup

3.5mm mini-plug

Olympus recommends the TP-6.

Olympus voice recorder

Plug into the MIC jack of your Olympus voice recorder, and put the earphone side into your ear / Captures both sides of the conversation for recording.

3.5mm mini-plug

Olympus recommends the TP-6.

Olympus voice recorder