* Patent Miniature Microphone.
* 3.5mm jack.
* Compatible with laptop and portable record equipments.
* Can rotate 180 to 360°.
* Frequency response: 50 to 60Hz.
* Sensitivity: -39 ±3dB.
* S/N ratio: more than 58dB.
* RoHS compliant.
* OEM orders are welcome.