When you see film, enjoy the drama, have meeting or have classes,it can help you to hear more clearly and loudly.

·For slight hearing impaired people                                    ·Inner ear design,small size.

·High-sensitive microphone                                               · adjustable volume control  

Affordable and reliable Ear Amplifier                                      ·When you see film, enjoy the drama, have meeting or have

·  Includes batteries and extra ear tips                                         classes,it can help you to hear more clearly and loudly

Max Sound Output:	110±5 dB
Max Sound Gain:	≥30 dB
Harmonic Wave Distortion:	≤10%
Frequency Range:	300~4000 hz
Input Noise:	≤40 dB
Battery:	A312 Zinc Air Button battery
Max Working Hours with Standard Battery:	50 h
Working Voltage:	D.C. 1.5V
Working Current:	≤4 mA
Measurement:	2.3×1.3×1.9 cm
Net Weight:	4 g (without Battery)

hearing aid K-211