Mini Rechargeable Invisible Digital Hearing Aid Adjustable Sound Amplifier Portable Hearing Aids Earphones For The Deaf Elderly
feature
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Mini cic design
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High-power chip noise reduction
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USB charging (no need to replace the battery)
specification:
material: plastic
Color: skin color, white (optional)
Maximum sound output: 115+/-3dB
Sound gain: 28dB+/-5dB
Total harmonic distortion: 3%
Frequency range: 300-3500MHz
Input noise: 32dB
Voltage: DC1.5V
Current: 2mA
Hearing aid (each): Built-in 25mAh rechargeable battery
Charging time: 5 hours
Working time: 25 hours
Package Included
1 x hearing aid
4 x earplugs (different sizes)
1 x User Manual
1 x USB charging cable
Warm reminder
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Turn the volume to minimum before wearing.
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Choose a slightly larger earplug to avoid whistling.
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Gradually increase the volume to avoid sudden increase in sound.
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If you hear howling, check whether the ears (silicone) are suitable, whether the size of the plug is tight,
Choose the right earplugs and plugs to ensure no air leakage.
- Keep the earplugs clean.
note
Charger input: AC100-240V, 50-60Hz / 0.15A
Charger output: 5V, 1000mA
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Please use the matching charger to charge the product, otherwise the product may be damaged.
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If you need to replace the charger, please use a charger suitable for the product. If you use an unsuitable charger to charge the product, it will damage the product.
