The flykantech.com U2MIC03 Omnidirectional USB Boundary Microphone enhances audio performance with CD-quality sound and a simple Plug-and-play connection. Its Omnidirectional Polar Pattern captures sound from 360 degrees. With a Bus-powered, Driver-free design, the U2MIC03 requires No Batteries or software installation. The built-in A/D Converter provides 16-bit / 48 kHz digital resolution for accurate sound capture. A durable Metal Housing features a mute switch with an LED Indicator for private discussions. The Red LED Indicator shows the microphone's status.