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Speaker: 10mm neodymium Sensitivity: 117dB +/- 3dB at 1KHz (each side)
Impedance: 32 ohms +/- 10%
Rated power: 5mW
Max. input power: 10mW
Noise reduction level: -15dB +/- 3dB
Cable: 1.2M +/- 10%
Plug: 3.5mm stereo nickel plated
Battery type: operated by 1*AAA size battery (not included)

