Telephone Pick-Up Coil with Suction Cup, Features: Record Telephone Conversations on Any Tape Recorder with a 3.5 mm Microphone

Olympus TP-8 Telephone Pick-up Microphone

Philmore Telephone Recording Pickup Coil Suction Cup Microphone, 5-ft Cord

Sony Compact Earphone Style Microphone, Designed to Record Phone Conversations From Your Cell or Telephone to Your Voice Recorder, Computer and Any Other Recording Device

Handmade Electronic Music: The Art of Hardware Hacking

ECS-DUPR Telephone Record Adapter

Neewer® 5-Pack Piezo Contact Microphone Pickups for Guitar, Violin, Banjo, OUD, Ukulele, Mandolin, Cello and More, Pick up Clear and Accurate Sound

Imelod Contact Microphone Piezo Pickup Violin Microphone Pickup Cello Banjo Ukulele Mandolin Guitar Microphone Pickup

SUNYIN Transducer Acoustic Guitar Pickup,Piezo Contact Microphone Easily AMP UP for Acoustic Classical Violin Ukulele Mandolin Banjo Cello-Black

Luvay 12Pcs Piezo Pickup Transducer Prewired - 27mm Contact Microphone Trigger - Discs Elements for Acoustic Instrument: Guitar, Drum, CBG etc. with Leads