Excellent 45.5x20mm newest headset electret microphone OEM

Our company is a China professional electroacoustic manufacturer factory with 50 years history. in the production of electroacoustic device accessories. We can supply you directly, and of course our prices will also be competitive. In addition to microphone, buzzer, Receiver, speaker,siren/alarm, etc. are our main supplies.    Product description Product Name Excellent 45.5*20mm newest round headset electret microphone OEM Product picture   Characteristics   Product Features *Brand Huasheng *Part number OZ-4A *Dimension 45.5*20mm *Rated Voltage 3.4+/-0.5V *Sensitivity  -20+/-3dB *Frequency Range 200--4000Hz *Rated Current 5--20mA *Test Voltage 7.6V *Current-Limiting Resistance 680ohm *Housing Material Aluminum *Color Silver *Packing 500pcs/carton *Carton size 61*39*31cm   Drawing