Max Sound Output: 130+/-5 dB
Max Sound Gain: ≥50 dB
Harmonic Wave Distortion: ≤5%
Frequency Range: 300~4000 Hz
Input Noise: ≤30 dB
Battery: 5# dry battery
Max Working Hours with Standard Battery: 80 h
Working Voltage: D. C. 1.5V
Working Current: ≤4 mA
Measurement: 6.8*4.2*1.8 cm
Net Weight: 26 g (without Battery)
Special Function Key: N-H Key
Richsound electronic is an enterprise which mainly produces pocket hearing aids and other electronic products and electronic accessories, like USB projectors, mobilephone speakers. Since our foundation, we have been cooperated with many customers from all of the world. We supply them OEM and ODM service.
Contact us, we would like to hear from you.
