Rechargeable Hearing Amplifier

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Assessing the need for hearing aids typically involves several considerations:

1. Hearing Tests: Conducting professional hearing tests to determine the degree and type of hearing loss. If the results indicate moderate to severe hearing loss, it may be necessary to consider wearing hearing aids.

2. Communication Challenges: Identifying common symptoms in daily life such as difficulty hearing others, needing frequent repetition, or struggling to hear in noisy environments.

3. Issues with TV and Phone Usage: Noticing the need to increase volume significantly when watching TV or using the phone to hear clearly.

4. Auditory Fatigue: Experiencing ear fatigue or discomfort, even headaches, after prolonged periods of listening.

5. Social Impact: Recognizing if hearing issues are affecting social activities, leading to avoiding gatherings or reduced interaction with friends and family.

6. Decreased Environmental Awareness: Difficulty in perceiving sounds in the surroundings like alarms or car horns, which could compromise safety.

7. Psychological Impact: Whether hearing decline causes feelings of anxiety, depression, or isolation.

 

 

Product	Hearing Amplifier
Ambient temperature	5 ℃-40℃
Relative humidity	≤80%
Atmospheric pressure	86kpa~106kpa
Working power supply	3.7V/30mah

 

Hearing aids operate on the principle of amplifying sound waves to compensate for the user's hearing loss. They consist of several key components:

1. Microphone - This is responsible for capturing external sounds and converting them into electrical signals. In behind-the-ear (BTE) or receiver-in-canal (RIC) models, the microphone is usually located on the body of the device, while in in-the-ear (ITE) or in-the-canal (ITC) designs, it's often embedded within a small case that fits into the ear canal or just outside the canal.

2. Sounds Amplifier - Once the microphone has picked up the sound, the signal is sent to the amplifier or sound processor. This component increases the volume of the incoming signal to a level that matches the wearer's hearing ability. The amount of amplification can be adjusted according to the severity of the hearing loss.

3. Frequency Transposition - Some hearing aids also have the capability to adjust the frequency of the amplified sound. This is particularly useful for people with high-frequency hearing loss, as it shifts the sounds to a range that they can hear more clearly.

4. Tone Controls - Users can often adjust the treble and bass of the amplified sound through controls on the device, allowing them to fine-tune the sound quality to their personal preference.

5. Speaker (Receiver) - After processing, the amplified signal is sent to the speaker or receiver, which is placed either in the ear canal or just behind the eardrum. In RIC and CIC (completely-in-canal) styles, the receiver is a tiny component that sits directly in the canal.

 

1. Take out the amplifiers from the charaing box and insert the earplugs into the inner ring.Slowly push the hearing aid with earplugs into the ear hole.
2.The hearing aid will automatically start up within 6 seconds after taking out the charging box. If you need to manually switch on or off the machine. please press and hold the key for 3 seconds.
3.Adjust the volume. There are 4 levels to choose. Short press the key, you will hear a sound of "beep" which eans you get volume level 1; press it again. You will hear"beep beep" twice, which means level 2;next level 3 'beep beep beep"and level 4 (maximum volumn) "beep beep beep beep".Then press the key the hearing aid prompts "beep"once and the volumn gets back to level 1.
4.Put the aid into the charging box, the aid will turn off automatica