The cause of howling/noise: To make a small size hearing aid, the internal amplifier and the microphone are close to each other. The sound is continuously received and extended, so it has a certain possibility of producing howling after power-on.
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Features: 1.High and low tone control 2.Left & right ear adjustability 3. Background noise reduction 4.Suitable for people with moderate hearing loss (80-90dB) Specification: -100% brand new, high quality -Product name: Hearing Aid -Material: Silicone/ABS -Color:gold -Power mode: rechargeable - MAX OSPL90: ≤129dB+-/3dB -Harmonic Wave Distortion:≤10% -Frequency Range: 450～5000 Hz -Sound gain: >= 38dB+/- 5dB - Input Noise: ≤29dB+-/3dB - Charing box: Include 300mAH，Full charing about 3 hours OK to hearing Amplifiers recharing about 4 times -Hearing Amplifiers: Include 35mAH，Full charing about 1.5 hours，Working about 25 hours .
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2 Hearing aids(a pair). - Silicone ear pads in 3 different sizes, suitable for any form of ear. - If you hear a howling,check the ear (silicagel) is appropriate and whether the size of plug is tight, the appropriate choice of earplugs and plugged, make sure no air leakage.
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SAFE AND COMFORTABLE: Our hearing aids are made with the latest materials, including a nano-coated, waterproof, and sweat-proof shell. Plus, with no radiation or harm to human ears. Perfect for people with poor hearing, the earplugs can be adjusted for both left and right ears.
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About this item .
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Perfect for moderate to severe hearing loss. White charging box + Skin color hearing aids. 25% smaller than others. No more fumbling around with drained tiny button batteries. Product: Hearing aid.
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About this itemHigh-quality hearing: The product is equipped with high-quality stereo headphones and better speakers have been replaced, and the sound recognition has been significantly improved. This amplifier uses advanced microprocessor technology to provide clear reception while reducing background noise. Provides good sound quality to help you hear the sound clearly and loudly. It provides discreet listening while still containing all ambient sounds, which means you can hear everything youMini body, high performance: The size of the product is like a ring, you can wear it on any ear, it is light and comfortable, and it is easy to carry. Long-term use without pain or swelling. It takes about 2 hours to fully charge. It can be used for 14 hours when fully.
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Please be noted that we stock our products in UK, and you will get your package in around 2-3 workdays, while there are some other sellers who claim to be UK stock too, but take more than a week (5-7 Days) to deliver, which are usually China stock in fact. .
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