YICHUANG YC-VM20 3.5mm Port Video Recording Omnidirectional Lavalier Microphone, Cable Length: 6m1. Easy and portable, true recording sound quality, make your post production convenient and creative design, you can hang or hide the line in your clothes 2. The wire is soft, elastic and wear resistant 3. Built in high sensitivity acoustic recognition chip, effectively reduce current noise, clean and clear human voice 4. Monomer: back polar electret 5. Directivity: Omnidirectional 6. Frequency response: 32HB 20KHz 7. Sensitivity: 32dB+ 3dB 8.