Electret Microphone Pickup Cylindrical Condenser MIC with Solder Joint for PCB Specifications:Model: 6050-50DBMaterial: Metal Working Voltage: 2V DC Sensitivity:-50DB Size : 6 x 5mm / 0.23" x 0.19"(Dia.*H) Type: Solder Joint Type Package Contents: 30Pcs X Electret Condenser MicrophoneFeatures:1. Fit equipments with tiny MIC rooms or devices in small size.The directivity is omnidirectional. 2. An acoustic-to-electric transducer or a sensor that converts sound into an electrical signal. 3. Widely applied to telephone, mobile phone, MP3, MP4, laptop, digital camera, intercom, monitor, etc.