USB Stand Mini Desktop Studio Speech Microphone for PC Laptop Notebook White Advanced digital USB provides superior clarity with the simplicity of a single USB plug-&-play connection. Noise-cancelling microphone filters out unwanted background noise. Power switch illuminates when microphone is active. Microphone pivots on base to hold preferred position. size:5.5cm x 5.5cm x 13cm - 2.2inch x 2.2inch x 5.1inch.