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-Ear-Vibration 2-in-1

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PRO Ear vibration cable control

A metal clip enables you to secure the mic/speaker on clothes; Technical data of Microphone: Type: piezoelectric accelerometer; Work voltage: 2.5-10V DC; Impedance: 4.7K Ohm Technical data of Speaker: Power rating: Normal 20mW, Max 40 mW; Resistance: 32 Ohm +/- 15% at 1KHz 60mW sine wave; Sound pressure level: 107.3dB +/- 3dB at 1KHz 60mW with 142F coupler.
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