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Buyer's Notes:
Causes of howling/noise: In order to make the hearing aid small, the internal amplifier and microphone are placed relatively close, and the sound is constantly received and amplified, so there is a certain possibility of howling after turning on. At present, it is difficult to avoid howling with both low-power and high-power hearing aids on the market. Only fully functional digital hearing aids can avoid howling.
Methods to avoid howling/noise:
1. When the power is high (the amplified sound is loud), howling is more likely to occur, so gradually increasing the bass volume can effectively prevent howling.
2. When the ear canal is completely closed, there is no howling sound. So after cleaning the ear canal, put on the hearing aid, try the earplugs from large to small, find the most suitable earplugs, and ensure that there is no air leakage.
3. After the hearing aid enters the ear canal, it is recommended to push the hearing aid with your fingers and hold for 1-2 seconds, then release it to fully extend the earphone.
4. In the off state, turn the hearing aid volume to the lowest, then plug it into your ear, make sure the earplug is completely filled in the ear, then turn on the power button and slowly turn up the volume to a suitable volume.
5. Users who cannot hear for a long time may suffer from hearing loss due to long-term inability to hear, causing the hearing aid to still not hear. Please stick to it and constantly stimulate the growth of the auditory nerve, and you will be able to hear the sound after a while. If you are not sure whether your hearing aid is working properly, you can try the product on a person with normal hearing.
6. Please pay attention to cleaning the ear canal and keep the earplug clean.
Features:
1. Peak gain (dB): 38dB±5dB, suitable for mild to moderate hearing loss.
2. Intelligent noise adjustment: reduce noise damage to the eardrum.
3. Intelligent display: display the remaining power number and remind charging.
4. Fashion design: sports earphone design, in line with the structure of the human ear, easy to wear, more firm, not easy to fall off.
5. If the earmuffs do not completely fill the ear canal or there is air leakage at the earmuffs, it will cause annoying whistling sounds. We provide 3 different sizes of earplugs to reduce whistling and noise.
6. Free gifts: We will give a hearing aid box for you to carry. Each set contains a charger, earplugs and cleaning brush, etc. It will be a great gift for friends or family.
Product parameters:
Peak OSPL 90 (dB SPL): ≥110dB 5dB
HAF OSPL 90 (dB SPL): 108dB±5dB
Equivalent input noise (dB): ≤28dB
HAF/FOG gain (dB): 30dB 4dB
Peak gain (dB): 38dB±5dB
Frequency range (Hz): not less than 200Hz~5000Hz
Distortion: 500Hz: ≤2%; 800Hz: ≤2%; 1600Hz: ≤2%
Bluetooth connection distance:
i0S: ≥10 m/ Android: ≥15m
Rated current (mA):
Hearing aid mode: 3~5mA
Bluetooth music mode: 6~8mA
Battery life:
Hearing aid mode: 13~15H
Bluetooth music: 7~8H
Voltage: 3.6V
Lithium battery
Dimensions: 17.5mmX25.6mm
Origin: Mainland China
