The world's smallest usb microphone • USB Microphone for PC or Mac. • Driver-free, plug and play. • 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. • Power switch illuminates when microphone is active. • Sensitivity: -67 dBV/pBar.-47 dBV/Pascal+/-4dB • Frequency response: 100-16kHz • 8'shielded cord with USB connector