2 x Hearing Aids. It takes about 2 hours to finish charging and you can use it for about 20 hours. 【EASY TO USE】-Blue device for left ear, red device for right ear, white charging case. Obvious On/Off button for easy operation.
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This Powertone F-138 In-Ear Hearing Aid is a quality hearing aid which can help you hear the sound clearly and loudly. - 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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Mini portable charging case. -Fitting Range ： From Mild to Moderate (between 26-55dB hearing loss). Hearing Device 2. High signal noise ratio. -Dual Ear Usage ： YES. Hearing Aid Fitting In the Ear (ITE).
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It is caused by amplified sound from the hearing aid getting back to the micropphone and being re-amplified. Ways to avoid Whistling /noise Once the hearing aid is properly seated in your ear,the whistling will generally stop.
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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. .
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● 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.
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Invisible Hearing Amplifiers:Our hearing aids feature a mini in-ear design. The hearing aids are small in size, weighing only 2.2 grams, and are comfortable to wear, fitting snugly in the ear canal, you can wear it at will regardless of the left and right ears.
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Why is there a whistling during the wearing process?. We give 3 different sizes of earplugs to reduce howling and noise. Suitable for mild to moderate severe hearing loss (Reference hearing loss map).
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