HAP-20 special type of hearing aid

35-60 CNY (5.1-8.74USD)

Features:
This product uses 1.5V / 150mAh button batteries, acoustic energy through the internal circuitry adds strength and mass as possible without distortion to the ear.
Because the sound can not be directly amplified sound, it is necessary to convert it to an electrical signal, and then converted to amplified sound energy.
Input from the microphone (microphone or microphone), magnetic induction coils and other parts transducer.
Its role is to input sound energy into electrical energy is transmitted to the amplifier. Amplifier input electrical signal after amplification.
And then transmitted to the output transducer output transducer by a headset or bone conduction vibrator constitution.
Its role is to amplify the signal again by an electric or acoustic energy into kinetic energy output to suit various degrees of deafness patients.

Product Type:

Series: Analog
Category: BTE
The crowd: for mild to moderate hearing loss people

(Scope) for the hearing impaired and moderate hearing loss applicable to average no more than 100 decibels to very severe hearing loss people.
Care and maintenance:
• When not in use, turn off the power;
• Use a dry cloth or hearing aids special cleaner gush in dry cloth to clean the hearing aid housing.
• hearing aid does not sound reasons:
1. The switch is turned on;
2. whether the battery is the correct way to install;
3. When the battery has power;
The battery compartment is closed;
5. Does the ear is clogged;
6. Is the headset is bad;
7. Whether the wire has been broken;
• hearing faint or fuzzy sound:
1. The battery voltage is low;
2. Headphones failure;
• The battery life is too short causes:
1. When the battery is still not within the hearing aid, but not power off;
2. The battery after opening the package together with metal objects or long-term exposure to air.

Storage:

1, relative humidity less than 80%, non-corrosive gases, dry ventilated place. Avoid direct sunlight and avoid severe vibration.
Gas may be absorbent desiccant pouch on hearing the box, put the box in the evening when the hearing: Recommended.
2, if a hearing aid not to be turned off to extend battery life and the life of the machine itself.
3. If a long time do not wear a hearing aid batteries should be removed to avoid battery rot and damage to your machine.
Battery Please put out of reach of children to prevent misuse eat or bipolar contact shorting explosion.

Precautions:
1, a hearing aid should not fall, touch: fall or collision, likely to cause damage to internal parts disconnect and sound guide tube.
Especially deaf children, it should strengthen the protection and take effective measures.
2. Avoid moisture, flooding and overheating: Do not wear a hearing aid swimming, bathing, wash your face should be off.
Note that protection when it rains, high temperature environment (40 ℃ above) and blow hair should use the hearing aid off.
3, Battery: General Hearing aid batteries (button) life of 90-200 hours.
Expired easy to produce fluid leakage caused hearing damage, to pay attention to timely update the battery.
4, to avoid electromagnetic radiation: during high frequency heat treatment (physiotherapy) or operation, radiation therapy, and strong magnetic field environment.
Hearing aids should be placed in another room safe.
5, avoid the use of hearing aids in explosive environments.
6, do not disassemble the hearing: Modern hearing aids by the precision electronic components and parts, disassemble and repair process will not affect the use of beneficial.

1. How to wear a hearing aid?
First use hearing aids you might think sounds real enough clarity. Because you have been accustomed to hearing the original condition, when the use of hearing aids, hear some unfamiliar sounds, it sometimes can not meet the main solution to the problem is necessary The adaptive training, started wearing a time not too long, the volume is not too large, slowly adapt.

2. How adaptive training?
Hearing adaptive training is not complicated, the general principle is to insist wear, stepwise adaptation:
(1) from the daily wear time speaking, it should be from short to long;
(2) to adjust the volume point of view, advised small after big;
(3) from the communication environment, said Cao miscellaneous advised to quiet after, briefly after complex.
So step by step, to make you through the adaptation period as soon as possible, so that the role of the hearing aid to maximize it.

3. Why wear hearing aids will produce whistle?
Ear plugs and ear contact area closed lax, amplified sound leaks out from the gap again returned to the microphone to be amplified. Will produce whistle. This phenomenon is similar to that howling occurs when the microphone close to the sound of our common.
(1) a hand or object near the hearing aid, as part of the sound reflecting in the palm of your hand or object back to the microphone and caused further amplification.
(2) The hearing is not fully inserted into the ear canal and the canal wall or seal is not tight, the sound is amplified and transmitted back to the microphone due to leakage.
(3) there are a lot of earwax in the ear, the occurrence of earwax embolism, amplified sound reflections to pass the earwax microphone again, it will generate feedback.

4. How to avoid the howling?
(1) The first hearing aid volume control knob to position 1, and then and try plugged ear sese ear, and then adjust the volume to the clearest position.
(2) If the earbuds can not be more appropriate for another stoppered please try earplugs, plugged ears, do not leak air.