Description
Over-the-counter hearing aids, no prescription required.
AAB52SP is non-programmable rechargeable BTE hearing aid. Based on integrated signal processing, AAB52SP features two pre-set switch. The hearing aid contains a built-in lithium-ion rechargeable battery. Use the supplied micro-USB cable to charge the hearing aid.
Audiological Features：
Low Equivalent Input Noise
Super Clear Sound
Low Frequency Cut Filte
Functional Features：
Integrated Analog
Balanced Armature Receiver
MEMS Mic
Volume Control
‘H’ control for low frequency suppression
‘N’ control for normal
‘O’ control for turn off power
Rechargeable lithium-ion battery
Charging time: 2.5 hours
Battery life: 40 hours per full charge
Note
1.Adjust volume to the minimum before wearing.
2.Choose an earplug of slightly bigger size to avoid whistler.
3.Increase volume gradually to avoid sudden increase in sound.
4.If you hear a howling, check the ear (silica gel) is appropriate and whether the size of plug is tight, the appropriate choice of earplugs and plugged, make sure no air leakage. If it still does not work, please check the chat window leave me a message.
5.Keep the ear plug clean.
Tips for buyers:
The cause of howling/noise:The internal amplifier and the microphone are close to each other of the hearing aid, and the sound is continuously received and expanded, so it has a certain possibility of produce howling after power-on. At present, small hearing aids and high-power hearing aids on the market can hardly avoid howling, and only full-digital hearing aids can avoid howling.
Ways to avoid howling/noise:
1. When the power is high (the amplified sound is large), howling is more likely to occur. Therefore, gradually increasing the volume from low can effectively avoid howling.
2. When the ear canal is completely sealed, there is no howling sound. Therefore, please use hearing aids after cleaning your ear canal, and test the earplugs from large to small to find the most suitable earplugs，Appropriate airtight earplugs are recommended.
3. After the hearing aid enters the ear canal, it is recommended to push the hearing aid with your fingers and hold it for 1-2 seconds, and match the earplugs to the ear canal.
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