Reizen Mighty Loud Ear 120dB Personal Sound Hearing Amplifier with Earphones and Extra Headphones

Powerful hearing enhancement amplifier with 120 dB sensitivity helps you hear Built-in microphone on this personal sound amplifier amplifies weak sounds and voices Adjustable volume control allows clear and loud hearing via NEW and improved dual earphone Includes 2 AAA batteries and dual earphone Sensitivity: 120 dB (plus-or-minus 3 dB per MW) Frequency range: 10 Hz - 30 KHz Operating current: 14 mA Estimated battery life: 48 hours Dimensions (L x W x H): 1.75 inches x 0.75 inches x 2.50 inches Weight: 1.8 oz Impedance: 8 ohm (S.P.L.): 112 dB plus-or-minus 3 dB Caution: This product is not water-resistant Please note: This is not a medical device, for hearing problems, please consult a physician