Miniature circular boundary microphone with inbuilt plug and play USB audio interface. All-metal housing with a hard-wired lead to USB type A connector for connecting to a laptop computer to pick up speech for video conferencing, webinars and other recording applications.Polar pattern: CardioidvbCrLfCapsule: Electret condenservbCrLfConnection: USB A (power and digital audio)vbCrLfLead length: 1.8mvbCrLfFrequency response: 20Hz - 20kHzvbCrLfS/N ratio: 78dBvbCrLfSensitivity: -52dBvbCrLfDimensions: 19 x 62mmØ (microphone only)vbCrLfWeight: 118g (microphone only)vbCrLfSampling format: 16-bitvbCrLfSample rate: 44.1 / 48kHz