A digital, wireless smart listening device designed to enable TV and music listening to the user via a wireless headset; 3 hearing profiles to choose from for sound optimization for tv and music; Speech intelligibility function; Freedom of movement – radio frequency (RF) technology allows users to roam the house and still hear the TV static-free; Operating range up to 200 feet; 12 hours of battery life per charge; Built-in rechargeable lithium-polymer battery cannot be removed; balance control allows for right/life volume adjustment; auto on/off switch; High audio volume directly adjustable on the receiver; Lightweight under-the-chin stethoset receiver; Charging reminder notification; elegant horizontal docking station; Digital & analog audio inputs; quick and easy setup; Two year warranty