Earphone Accessories Hearing Aid Voice Sound Amplifier AXON F-138 Behind Ear

Digital Hearing Aids Kit Behind the Ear BTE Sound and Voice Amplifier

Description: 

Powertone F-138 In-Ear Hearing Aid is a quality hearing aid which can help you hear the sound clearly and loudly. The volume can be adjusted to 4 different levels.

Features:

Accurate and easy to use

Volume can be adjusted with 4 levels.

Help you hear the sound clearly and loudly, whether indoors or outdoors.

Maximum loudness 130 +/- 5dB.

Sensitivity: >= 50dB.

Frequency range: 300Hz ~ 4000Hz.

Battery Type: AG13 button cell battery 

 

Step1: Pair earplug

Choose the earplug as per your ear size

Step2: Equip Battery

Insert the battery according to the positive and negative terminals of the battery

Step3: Start up

Chose battery cover , slide + / – to adjust the volume

Step4: Wear hearing aid

Put the ear hook on the hard of hearing , put the earplug into ear 

The degree of hearing loss level

00-40 dB: normal

41-55 dB: mild to moderate hearing loss (inaudible little voice, face to face short-range loud (normal) speech audible)

56-70 dB: moderate deafness (basically talking loudly on the face of the exchange, the exchange of other cases is very difficult)

71-90 dB: severe hearing loss (basic language can not communicate, you need to talk loudly in the ear can hear a little)

90 db: very severe hearing loss (need ear can only hear the cries of force shout, usually basically silent world)

Hearing aid knowledge

Caution, warning prompt statements

* If you hear howling check earplugs (silicone) size is appropriate, whether plugged,

Choose a suitable each ear, ear canal size and plugged seal, do not leak.

* Not using, please remove the battery to avoid battery decay erosion hearing aid parts.

* Periodically clean earplugs or ear molds to ensure the normal use of hearing aids.

* Shock, drop, moisture, high temperature.

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