5% discount applied off during order process. Users can enjoy the TV at a volume they choose without disturbing others. This infrared system operates on a rechargeable battery and works with any TV and in many public facilities. Output jack allows TV EARS to be used with alternate listening devices such as induction neckloops, earbuds, and hearing instrument direct audio cables. A 3.5 mm monaural audio input enables TV EARS  (with attachments sold separately) to be used as a personal amplifier, to listen to music or as a cell phone headset. Additional features include volume control, tone and balance controls to customize the sound.