A compact dual mono earbud for any Digital Voice Recorder. Frequency Response: 300 to 5,000 Hz. Sensitivity: 94 dB/mW at 1 khz Impedance: 16 ohms Plug type: 3.5mm Cord Length: 3.8 feet Item #146112.
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Olympus Monaural Earphone (E-20)
Specifications of Olympus Monaural Earphone (E-20)