Mini Rechargeable Invisible Digital Hearing Aid Adjustable Sound Amplifier Portable Hearing Aids Earphones For The Deaf Elderly

Mini Rechargeable Invisible Digital Hearing Aid Adjustable Sound Amplifier Portable Hearing Aids Earphones For The Deaf Elderly

feature

1. Mini cic design

2. High-power chip noise reduction

3. 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

1. Turn the volume to minimum before wearing.

2. Choose a slightly larger earplug to avoid whistling.

3. Gradually increase the volume to avoid sudden increase in sound.

4. 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.

5. Keep the earplugs clean.

note

Charger input: AC100-240V, 50-60Hz / 0.15A

Charger output: 5V, 1000mA

1. Please use the matching charger to charge the product, otherwise the product may be damaged.

2. 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.