With the latest Bluetooth version, you get a greater range at faster speeds using lower power. Digital Signal Processing creates a safe experience that suppresses noise without blocking the speech signal.
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About this item .
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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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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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Features:-There are five levels of volume control with beep prompts.-Equipped with portable charging case, 3-4 hours to full power of the case, can offer totally 36-90 hours of use. -The operation is simple, long press to turn on and short press to adjust the volume, making it convenient for the elderly to use.-High-definition sound quality enables barrier-free communication, and the full-scale gain is greater than 35dB.-The cochlear ergonomic design is comfortable to wear and can be used for a long time.Specification:Material: ABS+siliconeMAX OSPL90 (dB SPL): ≤115dB+3dBHFA OSPL90 (dB SPL): 110dB±4dBFOG：30dB±3dBHFA FOG：29dB±3dBFrequency range: F1<400Hz, F2>4700HzTHD 500Hz：≤5+3%THD 800Hz: ≤5+3%THD 1600Hz: ≤5+.
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Type: Hearing Aid. 2 x Hearing Aid. -Sound Gain: 30±5dB. 1 x Cleaning Brush. 1 x Power Adapter. 15.2 11.2 3.8cm/5.98 4.41 1.49in. -Working Current: ≤10mA. -Battery Capacity: 1.2V.
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We refuse to amplify the sound amplifier that amplifies the desired sound and the unwanted noise. 【Comfortable to Wear】This sound amplifier is suitable for adults. 【Smart Charging Box with Battery Level Indicator】: The display of the charging box clearly shows the remaining battery power.
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Comfortable: Made of high-quality material, durable and sturdy, comfortable to wear. Ergonomic design, soft and flexible, these hearing aids help you a lot in daily life. Input Noise: <=32dB. Maximum Sound Output: 118+/- 4dB.
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