Axon K80 Mini Hearing Aid With Adjustable Volume Clear Sound Easy Use

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.
Max sound output: 110±5dB
Sound gain: ≥30dB
Total harmonic wave distortion: ≤10%
Frequency range: 300-4000Hz
Input noise: ≤40dB
Voltage: DC1.5V
Current: ≤4mA
Battery: AG3 button cell
size: 19×14×16 mm