Thanks to RF wireless mobility, you can enjoy full-range, personalized audio from your entertainment system even from another room or outside. Easily adjustable settings for clear voice rendition. Set 840-TV is an RF stereo TV listening system that is ideally suited for wireless listening in your house or in your yard. Whether you are watching a TV program or listening to sophisticated classical music, Set 840-TV is sure to provide excellentsound.Just the push of a button sets the device to your personal listening preferences, providing you with the enjoyment of speech that is easier to understand.The lightweight receiver is comfortable to wear because of its flexible earpads. Ergonomic controls and visual feedback of certain operations make Set 840-TV easy to use. It can be connected directly to your TV, hi-fi system or radio.