Features: Offers crystal clear voice capture on meetings calls great noise reduction technology. Plug and Play-USB free driver plug and play the microphone can pick up sound from 360 degrees Omni directions.. The microphone can catch the slightest 360 ° signal make sound clearer and smooth like talking face to face. Compact portable design it stays perfectly on the conference room table without taking too much space. Widely application: Online meeting business conference and negotiation video/audio chat call gaming and more. Package Includes: 1xOmni-directional Microphone 1xType-C Cable 1x3.5MM Cable 1xUser Manual Specifications: Frequency Range: 20-20000HZ Maximum sound pressure ratio: 110 dB Signal to noise ratio: >75db Input Impedance: <2.2KΩ Mic Sensitivity: -46dB±3dB Input Voltage: USB 5V Interface type: USB Line length: about 1.5 meters / 4.9 ft Size: 7x7cm/2.75x2.75inches note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid.