Weary of straining to hear your TV? The Serene Innovations TV Soundbox brings you loud and clear stereo audio. Your TV Speakers can be on or off to please other people in the room. Helps you hear dialogue better, and you can control the volume independently from your TV. Adjustable Voice Enhancing Technology lets you hear and understand every word spoken. Wireless, Light weight, easy to install, with a built in rechargeable battery that gives you eight hours of listening time between charges.