It is professional-quality wireless lavalier microphone system designed to plug directly into your PC. The EasyTALK Wireless USB Mic System is the worlds first professional-quality wireless microphone system designed to plug directly into your PC. It features a high-quality unidirectional lavalier microphone and belt pack transmitter with up to ten hours of battery life. And the 2.4GHZ full frequency spectrum is based on a wireless digital transmitter and receiver that offers interference-free operation and wide-band sound quality. There are two audio outputs to connect directly with your room’s existing audio system and with the enhanced DSP functions; you can customize the audio for specific room and speaking conditions. Besides both balanced and unbalanced outputs, the wireless mic system also incorporates a USB audio output.