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.
Verification Code