Teaching mini conference collar clip-on microphone $ 6.12 Product information: Type: Lavalier Headphone type: portable headphones Wearing style: Lavalier Headphone output source: communication equipment Plug diameter: 3.5mm Plug type: straight plug type Whether wireless headset: wired headset With or without microphone: Yes Sound principle: moving coil Frequency response range: 155555 (Hz) Impedance: 1 () Sensitivity: 155555 (dB) Distortion rate: 155555 (%) Wire length: 1.5 (m) Speaker diameter: 1 (mm) Purpose: Voice headset, microphone Colour: Black Packing list: Headphone*1
