Olympus TP8 Telephone Pick-up Microphone

Brand	Unbranded
Manufacturer	Olympus
Model Number	211-5001431

Type: electret condenser microphone
Directionality: omni- directional
Frequency response:50-16000Hz
Sensitivity: -34dB at 1kHz (0dB = 1V/Pa)
Power supply: plug-in-power system (1.5v 10v)
Cord length: 1.5m
Output plug type: 3.5 3-conductor mini-plug (monaural)