![Microphone condenser 4.5*2.2 mm](http://store.fut-electronics.com/cdn/shop/products/mic_1024x1024.jpg?v=1650651638)
Electret microphone is a sound- electrical conversion device. It is used in telephones, wireless telephones, mobile phones, ear-telephones, recorders, radio recorders, alarms, voice control toys, voice control switches and more
Note: Check photo below to find the ground
Specifications:
- Size: 4.5 x 2.2 mm
- Directivity: omnidirectional
- Connection: solder type
- Sensitivity: -28 to -58dB
- Standard operating voltage: 3V
- Impedance: 2.2K Ω