This system is a Radium by PhonicEar. Model of speaker/ receiver is 920SR. Unit sales with speaker/ receiver, body-worn transmitter, body-worn microphone, charging stand for transmitter, 2 audio cords, elastic belt, power supplies, and user guide. It has 2 channels and 16 frequencies. System works flawlessly and the sound is extremely clear. Please feel free to relay any questions you may have. We ship ONLY within the continental United States.