VAlinks Plug and Play USB Desktop Audio Microphone Elegant Arc Design Adjustable USB Mic for PC, Laptop and Mac, Applicable for Online Broadcasting, Online Meeting, MSN, Skype and More Plug and play USB microphone suitable for PC, laptop and Mac, and delivers your voice clearly and loudly USB 2.0 connector microphone can be used wth any USB enabled computers, compatible with Win2000/Win XP/Win 7 and Mac OS X without additional driver Microphone can be 180 adjusted to fit in any angle; it can also filter backgound noise for you to be heard clearly Plug : USB 2.0; Impedance : 2.2K; Sensitivity : -58dB  1dB Applicable for online KTV, online chatting, online meeting, MSN, Skype, recording (please use recording software), online broadcasting and more