for export hearing aids behind-the-ear aid wholesale sound amplifier english version

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