Battery Hearing Aid Invisible Deafness Digital Noise Canceling Professional Soun

Product Description

Tips for buyers:

The cause of howling/noise: In order to make a mini size hearing aid, the internal amplifier and the microphone are close to each other. The sound is continuously received and expanded, so it has a certain possibility of produce howling after power-on. At present, small hearing aids and high-power hearing aids on the market can hardly avoid howling, and only full-digital hearing aids can avoid howling.

Ways to avoid howling/noise:

1. When the power is high (the amplified sound is large), howling is more likely to occur. Therefore, gradually increasing the volume from low can effectively avoid howling.

2. When the ear canal is completely sealed, there is no howling sound. Therefore, please use hearing aids after cleaning your ear canal, and test the earplugs from large to small to find the most suitable earplugs.

3. After the hearing aid enters the ear canal, it is recommended to push the hearing aid with your fingers and hold it for 1-2 seconds, and then release it to fully extend the earplug.

Product parameters:

Electrical and acoustic pressure level 0SPL90: ≤112dB+3dB

Output sound pressure level (high-frequency average value) : 108dB ± 4dB

Full-range sound gain (maximum gain) : 35dB ±5dB

Full-range sound gain (average gain) : 30dB+ 5dB

Equivalent input noise level: <29dB+3dB

Frequency response range: 400Hz to 4600Hz

Total harmonic distortion: <10%

Eco-friendly button battery: A10/PR536(One zinc-air battery)

Battery capacity :95mAh

Rated power supply current consumption: <2.5mA

Product size: 1.6*1.6:*1cm

Box size: 9.4+7*2.5cm

Net weight :2g

Gross weight :28g

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Shipping policy

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Returns

Your satisfaction is important to us. Hexlight offers a 14-day Free return policy: if you are not fully satisfied with your purchase, you may request either a full refund or an exchange. All return shipping costs are fully covered by us.

Condition

Brand New

Shipping

This item is shipped directly from our supplier in China with tracking.