RuiLing 10-Pack 6x5mm MIC Capsule Electret Microphone Condenser Pick-up with 2 Pin for Arduino

Basic info: Technical Parameters: Size: 5.0mm x 6.0mm/ 0.20 x 0.24 " (D x H) Current consumption: 0.5mA (max) Sensitivity: -48£­66dB Directivity: Unidirectional Signal to noise ratio: 56dB (Min) Impedance: max 2.2 K Ohm Number of pins: 2 Standard Operation Voltage: 4.5 V DC Environment: -25 ~ + 70 Degrees Celsius Electret condenser microphone, back electret type, small in size, in general use. An acoustic-to-electric transducer or a sensor that converts sound into an electrical signal. Widely applied to telephone, mobile phone, MP3, MP4, laptop, digital camera, intercom, monitor, etc. Package includes: 10pcs Cylindrical Electret Condenser Microphone