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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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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We give 4 different sizes of earplugs to reduce howling and noise. - Suitable for mild to moderate hearing loss (Reference hearing loss map). Built-in Battery: Heading Aids - YES; Dock Case - NO. 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.
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Features: 1. TPE medical silicone, softer, with no harm to your skin after a long time wear; 2. Dual filtration function, auto filter the noise from the environment. Make the sound clearer and more nature; 3. Big Capacity Battery, Charge For 1 Hour, Use For 48 Hours; 4. Smart Chip, no need to match anything; 5. One power button, one volume control, easy to use. 6. FCC, ROHS, CE, EMC Certifications available. .
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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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3️⃣Keep your ear canal clean to avoid wax buildup, which can cause whistling. ✔Advanced Sound Amplification – Enhances speech clarity while reducing background noise, making conversations clearer. Hear Clearly, Live Comfortably – The Perfect Hearing Solution!
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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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Each 4 different size of earplugs to help adjust to your ear canal for a comfortable fit. Each hearing amplifier included an extra button battery. It can be comfortably worn in either ear. Wear: Either left or right ear.
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