Cybersonic Hearing Aid

Cyber sonic complexion hearing-aid for better hearing. This voice sound amplifier helps people with hearing impaired problem to hear sound and voice as normal people. It fits right behind your ear, adjust to either ear. Amplify sounds up to 40 decibels. Volume can be adjusted with 6 levels Help you hear the sound clearly and loudly, whether indoors or outdoors. Comes with 2 replacement earphone caps, easy for you to use. Powered by 1 x button battery (included) Businessclaud.com sound pressure level:125db Full-on acoustic gain>45db Frequency response:450-3800hz Equivalent input noise:30db Operation voltage:1.5v Operation Current:10.8mA Size: 53 x 35 x 15 mm / 2.067 x 1.365 x 0.585 inch Net Weight: 8 g / 0.28 oz Color: as shown in the picture Battery used with sound magnifier Following is a list of the brand and type of 1.5v mini battery to use Eveready 357,Bulova 228,Maxell SR44W,R-O-V 357,Seiko SB-89,Varta V357,Renata7,Duracell D357