Mini In-ear Digital Best Invisible Sound Enhancement Deaf Volume Sound Amplifier Ear Aid Adjustable Tone Hearing Aid Ear Plug K-80

Best Sound In-ear Amplifier Adjustable Tone Hearing Aid Aids New

Best Invisible Sound Amplifier Ear Aid Adjustable Tone Hearing Aid Aids Hearing Aids In Ear Ear Plug Sound Enhancement Deaf Aid
 

Specification:

1. Max sound output: 110±5dB
2. Sound gain: ≥30dB
3. Total harmonic wave distortion: ≤10%
4. Frequency range: 300-4000Hz
5. Input noise: ≤40dB
6. Voltage: DC1.5V
7. Current: ≤4mA
8. Color: As pictures
 

Features
Brand new and high quality hearing aid sound amplifier
Super mini size and light weight, not easily to be seen
Adjust volume to the minimum before wearing
Increase volume gradually to avoid sudden increase in sound
Convenient for watching movie, enjoying the drama, attending meeting, or having class, it could help you hear the sound clearly and loudly

Package Included:
1 x Hearing Aids
2 x AG3 Button Cells
1 x Instruction Manual
1 x Case
3 x Units of earplug of different size