Product: Olympus Compact Earphone Style Microphone, Designed to Record Phone Conversations from Your Cell or Telephone to Your Voice Recorder, Computer and Any Other Recording Device
Brand: OLYMPUS
Telephone Recorder Adapter The telephone pickup, makes phone recording two sides of the conversation. Just plug the  jack into the MIC jack of your recorder, and put the earphone side into your ear. When speaking on the telephone, the  will capture both sides of the conversation for recording by your voice recorder. Telephone Recording Device. Product Features:Economical, sensitive microphone for recording phone conversationsWorks great with cell phones and landlinesIncludes all necessary adaptersRecords both sides of conversationRecords directly to voice recorderTechnical Details:Frequency:50 to 20000 HzConnector:3.5-millimeter mini-plugIncludes: Telephone recording deviceMonaural 3.5-millimeter mini-plug to stereo 3.5-millimeter mini-plug adapterMonaural 3.5-millimeter mini-plug to monaural 2.5-millimeter mini-plug adapterNote:  its recommended for cellular phones and landline phones. will only act as a microphone. It will not playback sound. When used with the DM-10\DM-20, select Monaural Input in the Menu for selection EXT. INPUT.
Best to use with a cell or home phone, records by placing the receiver on the ear
Easy to Record both sides of the telephone conversation clearly
The compact size and in-ear fit allow you to place a phone receiver on your ear normally to record a conversation
The mic fits into the ear like an in-ear headphone, and it includes 3 sizes of Ear Buds: (S x 1, M x 1, L x 1) so you can find a snug and comfortable fit. Cord Length 5 foot . No battery required
The microphone is covered with silicone rubber to reduce noise when it hits the receiver

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