Features
Brand new and high quality hearing aid sound amplifier
Super mini size and light weight, not easily to be seen
请佩戴前将音量调至最小。
Gradually increase the volume to avoid a 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

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

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