TV Ears 2.3 TV Listening System(中古品) (中古品)TV Ears 2.3 TV Listening System/Electrical Land//Electrical Land/TV Ears 2.3 TV Listening System/Doctor Recommended;Infrared transmitter covers 600 square feet, Made in China;Transmitter works as a charging base and can hold up to two headsets;Powerful headset with 120 d B of output 3 times more powerful than other headsets;Headset Includes volume and tone dials TV Ears Tips provide comfort and cleanliness TV Ears 10321 2.3 System Wireless Headset System (Blue) (Discontinued by Manufacturer)One