Howling after power-on. At present, small hearing aids and high-power hearing. aids on the market can hardly prevent howling, and only full-digital hearing. aids can prevent howling. The cause of howling/noise: To make a small size hearing aid, the internal.
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Description Hearing aids can effectively reduce noise and amplify sound. This small device allows you to wear comfortably and provide a clear sound. Product Name: Speaker/Aid Hearing Device; Accessories: Replacement Earplugs * 4, Brush * 1, Charging Cable * 1, Shockproof Box * 1; Product Color: Silver; Quantity: 1; Specifications: Hearing Aid, Non-Bluetooth Version (Cannot be Used as Headphones), USB Direct Charging, Built-in Lithium Battery Capacity 50 mAh (Actual Mark, No Label), Maximum Sound Output: 118 ± 4 dB, Sound Gain: ≥ 32 dB ± 2 dB, Frequency Range: 300 - 3800 MHz, Input Noise: ≤ 32 dB, Voltage: DC 3.7V, Current: ≤ 2 mA, Battery Life: Approximately 3 hours after charging, Usage Time: Approximately 45 hours; Product Material: ABS Plastic;.
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About this itemEasy to Hear: These hearing aids feature advanced technology with intelligent sound processing and amplification. Our noise-canceling hearing aids ensure clear hearing in daily life while fitting comfortably in your ear canal. (Note: Not recommended for severe hearing loss.)Easy to Use: No complicated operations to remember. Enjoy simple one-touch control with infinitely adjustable volume. For best results: choose a slightly larger ear dome for optimal fit, start at lower volume, then gently turn the dial clockwise to increase as needed.Small and Lightweight: Wear these comfortable hearing amplifiers all day without ear pressure - perfect for conversations, TV watching, and everyday listening.Easy to Recharge: The charging case features an LED.
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About this item .
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Input Noise:≤32dB. Max sound output:118±4dB. Sound gain: ≥32dB±2dB. Normal working about 35 hours.
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Features:-USB Rechargeable, no need to replace the battery, environmental-friendly, with a long standby time.-Built-in intelligent chip, clear and noise-canceling, no worry about the noisy environment.-Strong shell, anti falling and durable, it still can be used normally even if it fell from two meters high.-360° adjustable, suitable for left or right ear to wear.-Ergonomic design, soft and flexible, can help you a lot in daily life.Specification:Maximum sound output: 118+/- 4dBSound gain: >= 32dB+/- 2dBTotal harmonic distortion: <= 7%Frequency: 300-3800MHzInput noise: <=32dBVoltage: DC 3.7VCurrent: <=2mACharging time: 3 hoursNormal working time: 45 hoursColour: silver Package Included:1x Hearing aid1x USB charging cable5x Earbuds1.
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It can continue use up to 72-96 hours. Equivalent input noise level: ≤ 29dB+3dB. Output sound pressure level (high-frequency average): 108dB ± 4dB.
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Bluetooth Hearing Aids for Seniors Adults Rechargeable with Noise Cancelling, Digital Hearing Amplifier 16 Channels In-Ear for Hearing Loss,Power Display Charger Case for Call,Music,Tv,8 Volumn .
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