Increase the volume for your ears only!
Increase the volume for your ears onlyWatch TV without disturbing othersCreat for theater, plays, church and moreTurns ordinary hearing into extraordinary hearing
Increase the volume for your ears, listening up sound amplifier will pickup the sounds around you and amplifies them for easy-listening.
A.Max. output128±4 dB
B.Max. increasing 40±5 dB
E.Frequency rang3004500 HZ
F.One AAA batteryDC 1.5V
G. Direction: all around to sounds, built-in sound input.