Two wireless microphones with USB receiver for speaker with karaoke function, Mediatech MT3952 wireless microphones for karaoke USB receiver ACCENT PRO MT395 is a set of two universal wireless karaoke microphones. They are perfect for all kinds of events, barbecues, house parties, etc. The biggest advantage of the microphones is that they can be connected to virtually any speaker and audio system that supports Karaoke. All you need to do is plug the RF receiver into the USB port of the speaker, and then turn on the microphones it's easy!