Beurer HA 20 hearing amplifier medical earphone for hearing loss made in China Made in China receives people with hearing loss the optimal support using Beurer's hearing amplifier. It can be individually adjusted to the ear canal. It amplifies the volume of all sounds inside and outside. Individual adjustment for the ear canal ideal for limited hearing ability comfortable behind the ear large volume of all sounds inside and outside 3 accessories to individually adjust the ear canal frequency range: 200 to 5000 Hertz maximum volume: 128 decibels amplification: max. 40 decibels maximum volume 128 decibels battery size 13A medical device accessories: three different sizes of the plastic piece inside the ear number (2) size 13 batteries storage box user manual brand BEURER
