Why did you choose Senli microphone? Clear pickup Senli recording microphone adopts omnidirectional pickup polarity mode to capture sound equally from all directions. The high-sensitivity microphone unit is very suitable for noise isolation. Easy to install Plug and play USB microphone compatible with desktop and laptop computers including PC and Mac. Just connect the USB cable to your computer. No need to install software. Adjustable volume knob The device itself has a volume knob so you can adjust the volume to the volume you need at the time to achieve perfect recording quality. So whether you are holding a meeting via Skype cultivating a relationship globally or playing a game session on Twitch your voice will be loud and clear. Suitable for multiple scenarios Compatible with windows10 windows8 windows7 MAC OS. Suitable for games streaming media Skype online chat recording voice-over voice recognition YouTube video etc. Specification -Polarity mode: omnidirectional -Sensitivity: -30dB±3dB -Frequency response: 50Hz – 16kHz -System requirements: Mac (Mac OS X 10.4.11 or higher) & PC (Windows 7\8\10\Vista) -Cable length: 4.9 feet -Impedance: ≤2.2KΩ -Signal to noise ratio: >36dB -Sensitivity range: within -3dB at 1V