Lynnscorp - Electronics and Karaoke

AVL621-35 Headset Microphone Back Electret-Condenser with 3.5 mm mono plug

Features:

Light Weight (18g) 
Detachable Boom and can be used left/right side of the headset 
Extendable boom length 
Boom can be moved up & down, left to right and rotatable by 360 degree 
Provides high-quality voice pickup 
Specifications:

Element : Back electret-condenser 
Polar Pattern :OMNIDIRECTIONAL 
Frequency : 50Hz - 18KHz 
Sensitivity : -64 dB +/- 3dB 
Impedance : 1500 Ohm +/-30 Degree (at 1,000 Hz) (RL=680 Ohm) 
Operating Voltage : 1V ~ 10V D.C. 
Connector: 3.5 mm mono plug