I've tried many microphone options for recording live lectures (when moving around the classroom) and this is the best so far. It's very light, easy to set up and has great sound quality. Just plug it into a USB port on my computer and it immediately shows up as an audio source. Two suggestions for great sound quality: 1) Be sure to place your USB receiver in a location that has a clear, unobstructed path for streaming to avoid interference from other electronic devices. 2) Change the batteries frequently (I use rechargeable ones) to ensure full performance of the transmitter.