Hear all the sounds you've been missing with the Turbo Ear. This personal listening device is able to amplify TV, conversations, classroom lectures, movies and more. The unit is affordable, small and easy to use. Simply turn on the hearing amplifier and adjust the volume to the desired level. IC circuit for best performance. High/low frequencies on sound reception. Adjustable volume with clip and mini earplug. Built-in light indicator. Requires one AAA battery (Included). Dimensions: 2-13/16" x 1-9/16 x 5/8". 90 day warranty.