5pcs Head-mounted Suspension Wired Microphone for Office Teacher Teaching Guide Loudspeaker Small Mini Mic Ear Hook Megaphone Headset





Features:

Professional vocal pickup condenser microphone
Dustproof does especially for indoor and outdoor professionals
industry-standard sound quality, coupled with amazing durability make this headphone microphone mini Perfect for almost all vocal and speech-sound applications
Enjoy the freedom of movement, the discreet and exceptional operation
Adjustment performance for any occasion
Micro-miniature condenser microphone for almost invisible use
Exceptional audio quality for your presentation, fitness and other vocal applications
Monomer: back type electret
Directivity: unidirectional
Frequency range: 50Hz-16KHz
Sensitivity: -39dB +/- 1 dB / (0dB = 1V / Pa at 1 KHz)
Output impedance: 680 +/- 30% (at 1 kHz)
Operation voltage: DC 1.0V-10V
Standard Power supply: DC1.5 V
Current consumption: 0.5mA
Signal to noise ratio: 56dB
Wire rod: 2.0 * 1.0M
Cable length: 1.2 m
Annex: wind-resistant cotton
Material: plastic + metal
color: black

Packing list:

5 x Wired headband microphone