● Digital sound amplifier: Advanced digital signal processing technology provides a high quality of natural sound, detects and identifies sound waves and changes the amplification of the channel in which the noise is located to make normal speed clearer.
eBay
1 x Pair Of Hearing Aids. Noise Reduction. With bluetooth function, you can listen to songs and make calls. 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.
eBay
Ways to avoid Whistling /noise howling after power-on. At present, small hearing aids and high-power hearing. amplifier and the microphone are close to each other. The sound is. The cause of howling/noise: To make a small size hearing aid, the internal.
eBay
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.
eBay
Style: in the ear. Equivalent input noise: 28dB ± 5dB. 2x Sound amplifiers. 1x Charging cable. -Each weighs only 3 grams, which is convenient and comfortable to wear.
eBay
Description NO PROGRAMMING: The problem with other is they have high frequency feedback and aren't user friendly. Because our product were made with ergonomically designed ear tubes and a digital processing volume control and memory. SPECS THAT ARE BETTER: This digital ear device has different listening modes, max sound alarm, active noise reduction, and a digital volume controller with memory function which means that you'll have total user control. .
eBay
Choose:Upgraded version(1 pair) About This Item: -Specially designed for hearing-impaired people, more suitable for the ear canal. Even when used for a long time, there is no pain. -Your hearing aids can be charged using the detachable charging case (you will need to charge the charging case first). -Maximum gain is 117dB, suitable for moderate to severe hearing loss (see hearing loss table). -If the earmuffs are not fully inserted into the ear canal, or if the air leaks out of the earmuffs, it will cause an annoying whistling sound. We offer 3 different sizes of ear tips to reduce whistling and noise. -Super-mini size and light weight for easy carrying. .
eBay
● Digital sound amplifier: Advanced digital signal processing technology provides a high quality of natural sound, detects and identifies sound waves and changes the amplification of the channel in which the noise is located to make normal speed clearer.
eBay