We give 4 different sizes of earplugs to reduce howling and noise. Feature 1. Peak Gain(dB): 35dB, suitable for mild to moderate hearing loss (Reference hearing loss chart). Insert the hearing aid into the ear canal, adjust its position in the ear canal until the soft earplug is fully deployed and fill the ear canal.
eBay
Rechargeable Hearing Aids BTE Hearing Device Ear Aid Adjustable Tone Sound Amplifier Wireless The Listening Device
Aliexpress UK
We give 4 different sizes of earplugs to reduce howling and noise. - Suitable for mild to moderate hearing loss (Reference hearing loss map). 1x Hearing Aids. Built-in Battery: Heading Aids - YES; Dock Case - NO.
eBay
Acosound Hearing Aid 120dB Digital Bluetooth Headphones Hearing Aid For Deafness Programmable Wireless Sound Amplifier For Elder
Aliexpress UK
The reason for the howling/noise: To make a mini hearing aid, the internal amplifier and microphone are very close together. The sound is constantly receiving and expanding, so there is a certain possibility of whistling after the power is switched on.
eBay
Bluetooth Hearing Aids Rechargeable with Noise Cancelling APP Control Auto-On/Off 4 Listening Programs with Tinnitus Masking
Aliexpress UK
Easy To Use - ①Choose the earplugs for hearing aids that fit you well, and let the hearing aids for senior fit tightly into your ear holes. ②After wearing the hearing aids, press and hold the touch button on the hearing amplifier to turn it on.
eBay
Rechargeable Digital BTE Hearing Aid Adjustable Volume Deaf Mini Sound Amplifier Portable Elderly Hearing Amplifier
Aliexpress UK
【HEARING AIDS】-Different from traditional head-mounted and ear-hook hearing aid,Our hearing amplifier is very small and lightweight,Nearly invisible that is convenient for you to attend various occasions.
eBay
Rechargeable Hearing Aid Audifonos V30 ITC Invisible Earbuds Adjustable Tone Sound Amplifier In-Ear Hearing Device
Aliexpress UK
Features: -It adopts a lightweight in-ear design and comes with earplugs of different sizes to ensure a tight fit, comfortable wearing and reduced howling. -The left ear is blue and the right ear is red, making it easy to tell which ear it applies to. With obvious on/off button for easy operation. -Hidden design, looks like a Bluetooth headset, so you won't feel uncomfortable. -Equipped with a 300mAh large-capacity charging box, it can be fully charged in about 30 minutes and can be used for about 6 hours. The charging box can provide 5 charges when fully charged. -Built-in intelligent digital chip, intelligent noise reduction, no fear of noisy environment, providing excellent sound quality. .
eBay
Rechargeable Hearing Aids with Noise Cancelling and Volume Control Sound Amplifier for Seniors Hearing Loss with Charging Case
Aliexpress UK
Features: -It adopts a lightweight in-ear design and comes with earplugs of different sizes to ensure a tight fit, comfortable wearing and reduced howling. -The left ear is blue and the right ear is red, making it easy to tell which ear it applies to. With obvious on/off button for easy operation. -Hidden design, looks like a Bluetooth headset, so you won't feel uncomfortable. -Equipped with a 300mAh large-capacity charging box, it can be fully charged in about 30 minutes and can be used for about 6 hours. The charging box can provide 5 charges when fully charged. -Built-in intelligent digital chip, intelligent noise reduction, no fear of noisy environment, providing excellent sound quality. .
eBay
Adjustable Volume Hearing Aids BTE Ear Hearing Amplifier Sound Amplifier Rechargeable Hearing Device for The Elderly
Aliexpress UK
The cause of crying/noise: for a small size hearing aid, the internal amplifier and the microphone are close together. The sound has been continuously received and expanded, so it has a certain possibility of producing crying after power-on.
eBay
Rechargeable Hearing Aid Audifonos V30 ITC Invisible Earbuds Adjustable Tone Sound Amplifier In-Ear Hearing Device
Aliexpress UK