Specification: USB plug boundary condenser microphone; the microphone cable is about 4.9ft / 1.5m long Functional Characteristics: frequency response is 70Hz - 10KHz. Ultra-clear transmission of voice signals, adopt capacitive core, effectively reduce noise and improve recording quality, pick up the sound from 360-degree Our conference call microphone is metal protective filter mesh, using electrophoresis technology that is green environmental protection Portable Size: computer conference microphone weighs only 4.2oz / 120g, compact enough to put in your pocket or backpack, convenient to take it to any occasion and use it anywhere Multipurpose Use as conference microphone, conference room microphone, perfect for online meeting, business conference, video chat, window live