clarity 55110.000 professional wireless sound amplifier
digital clarity power tm technology amplifies incoming sound up to 50 db notifies user through the headset when the telephone is ringing lightweight wireless headset with automatic shutoff compatible with tvs stereos mp3 players amp public systems such as those used in museums movie theaters amp houses of worship home setting provides high-fidelity stereo sound for use with the included transmitter adjustable volume tone amp balance up to 8 hours of listening time with 1 included nimh battery includes external tv microphone ac adapter amp 2 audio cords