TV Ears Original Plus 10045 Wireless Headset with Voice Enhancement Technology (Black) (Discontinued by Manufacturer) Doctor Recommended Infrared transmitter covers 900 square feet. Compatibel with LCD and Plasma screens. Transmitter works as a charging base, and can hold up to two headsets. Powerful headset with 120 dB of output, 3x more powerful than other headsets. Headset Includes volume, tone and balance dials. TV Ears Tips provide comfort and cleanliness