Howling after power-on. At present, small hearing aids and high-power hearing. aids on the market can hardly prevent howling, and only full-digital hearing. aids can prevent howling. The cause of howling/noise: To make a small size hearing aid, the internal.
eBay
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
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
Features: -Suitable for people with mild to moderate hearing loss. -Built-in rechargeable battery, no need to replace the battery, it can be used continuously for up to 12-18 hours after being fully charged. -It's easy to use with just two buttons, a scroll wheel for volume adjustment, and a slider for power on/off. -Suitable for many occasions, whether outdoor or indoor activities, it is very suitable for long-term wear. -The package includes 12 ear tips and a cleaning brush. Specifications: Material: silicone+ABS+metal Color: black Sound gain: 30±5dB Frequency range: 450-4500Hz Signal-to-noise ratio: ≤32dB Earphone size: 0.47*1.7 inches .
eBay
Description【Charging Function】We provide a USB charger to save you the trouble of buying batteries. The device can be easily turned on/off with the power switch. The volume can be easily adjusted by just touching the button, no tools required. And he can be charged anywhere there is a USB socket, such as company computers, home sockets, etc.【Lasting All Day】: It's time to upgrade your products and forget about always running out or replacing batteries. Now, energy-saving rechargeable batteries can provide you with longer battery life and charging intervals. Without having to change batteries all the time, you can freely do what you like【Charging Box】The machine can be fully charged in 2-3 hours, and can reach an ultra-long standby time of 35-.
eBay
Description【Charging Function】We provide a USB charger to save you the trouble of buying batteries. The device can be easily turned on/off with the power switch. The volume can be easily adjusted by just touching the button, no tools required. And he can be charged anywhere there is a USB socket, such as company computers, home sockets, etc.【Lasting All Day】: It's time to upgrade your products and forget about always running out or replacing batteries. Now, energy-saving rechargeable batteries can provide you with longer battery life and charging intervals. Without having to change batteries all the time, you can freely do what you like【Charging Box】The machine can be fully charged in 2-3 hours, and can reach an ultra-long standby time of 35-.
eBay
To Dear buyer, ✅The delivery time (EDT) on the listing is only the estimated delivery time of eBay. ✅Please dont worry about the delivery time,usually it only takes 2-3 days to arrive you as we ship the package from UK via Royal Mail. ✅Any delay, we will send you an email in advance.Please rest assured to buy. ✅Please contact us BEFORE you give us neutral/negative feedback or open the return request, so that we can satisfactorily address your concerns. Attention: The goods will be shipped from UK Delivery time: 2 to 3 working days - Support 60 days return policy - Reply within 24 hours .
eBay
Our Shipping Conditions: Attention: The goods will be shipped from UK Delivery time: 2 to 4 working days Support 60 days return policy Reply within 24 hours Features: .
eBay