uxcell 20x Aluminum Housing Stereo 46dB Full-Directional Electret Microphone Product Name : Full-Directional Electret Microphone;Sound Channel Number : Stereo;Output Impedence : 2kOhm Microphone Unit : 6050;Signal Ratio : 46dB Body Size : 10 x 7mm / 0.4" x 0.28" (D*T);Pin Pitch : 2mm / 0.08" External Material : Aluminum;Main Color : Silver Tone Weight : 17g;Package Content : 20 x Full-Directional Electret Microphone