Williams Sound - Hearing Helper Personal FM System

Broadcasts speaker's voice to ears of listeners up to 150 feet away; speaker wears compact battery operated transmitter with small lapel microphone, listener uses compact battery operated receiver for loud, clear presentation reception. Helps overcome background noise, reverberation and distance; portable system; includes one each: transmitter, receiver, lapel microphone, mini earphone, belt clip cases and four AA batteries; also comes with storage case and microphone for one-on-one communication - five year warranty.