Mfr Part Number: IM320 Loudspeaker: Speaker Diameter: 40 mm Speaker Frequency: 20 ~ 20 KHz Speaker Impedance: 32ohm ± 15% Speaker Sensitivity: 110dB ± 3dB Microphone: Mic Diameter: 6.5 mm Mic Sensitivity: -58dB ± 2d...

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Mfr Part Number: IM320 Loudspeaker: Speaker Diameter: 40 mm Speaker Frequency: 20 ~ 20 KHz Speaker Impedance: 32ohm ± 15% Speaker Sensitivity: 110dB ± 3dB Microphone: Mic Diameter: 6.5 mm Mic Sensitivity: -58dB ± 2dB Mic Impedance: 2.2Kohm ± 15% Cord Length: 2m Cord with function control button

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