2 In-Ear Hearing Aids. How to Care for Hearing Aids?. Why does the hearing aid have loud screeching sound ?. How to solve?. Cleaning: Wipe with a dry, soft cloth. Use a small brush to clean the earwax inside and around the sound hole of the hearing aid.
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Sound gain:>= 35dB+/- 5dB. Total harmonic wave distortion:<= 5%. Input Noise:<=32dB. Max sound out put:118+/- 3dB. Main unit, Charging 2~3 hours for 20 hours use.
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Sound gain:>= 35dB+/- 5dB. Input Noise:<=32dB. Max sound out put:118+/- 3dB. Main unit, Charging 2~3 hours for 20 hours use. Frequency range:300-4500MHz.
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Sound gain:>= 35dB+/- 5dB. Total harmonic wave distortion:<= 5%. Input Noise:<=32dB. Max sound out put:118+/- 3dB. Main unit, Charging 2~3 hours for 20 hours use. Frequency range:300-4500MHz.
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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. .
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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. Sound gain: ≥ 50dB.
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Sound gain:>= 35dB+/- 5dB. Total harmonic wave distortion:<= 5%. Input Noise:<=32dB. Max sound out put:118+/- 3dB. Main unit, Charging 2~3 hours for 20 hours use. We are sorry first for the inconvenience that may bring to you.
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1 Mini size, Bluetooth earphone appearance, different from old hearing aids, wearing it will not make people notice anything unusual;. The hearing aid mode can be used twice; Bluetooth mode only supports single ear mode and does not support pairing with two;.
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