USB Hands Free Mini Tie-clip with Stand Microphones for PC Computer Laptop Macbook Functional design: the microphone can be tied to collar; also can be pivoted on base to hold preferred position. USB connection: Plug and play; superior clarity. Light weight and noise cancellation.(when recording, do not turn it toward wall or amplifier) Power light illuminates when it is active. The microphone is good for recording, online chatting(Skype), online KTV, online meeting,gaming etc.