This microphone lets you enjoy karaoke in your car or at home. Volume and echo can be adjusted. Production has ended, making this a very rare microphone. Operation has been confirmed, and the contents are all shown in the photos. Ready to ship immediately, and instant purchase is also OK. If you have any questions, please feel free to comment. This is a used item, so please refrain from purchasing if you are looking for a perfect product. Returns are not accepted to prevent product substitution.