Features: brand new and high quality USB Microphone for Mac or PC. Filters out unwanted background noise. Power Switch illuminates when Microphone is on. There is no need to install the driver, it can be recognized by PC automatically when you insert the USB plug into the USB port of the PC. Function effect: with switch and volume adjusting rotary key (the mixer has light). Application: computer, conference audio, radio host, computer video office meeting, online teaching. Specifications: Frequency response: 20Hz-16KHz Impedance: 2.2K Signal to noise ratio: 58DB Current consumption: 500uA Mic core size: 9.7X4.5mm Sensitivity: - 32dB 3dB (0dB=1Pa) Directionality: omnidirectional Plug: straight head Sound channel: USB plug Wire diameter: 2.5mm/2 core earphone cable Wire length: approx. 2m Note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Computer USB Microphone