This is a new and popular design digital rechargeable hearing aid
Max Sound Output: ≤132dB ± 3dB
Max Sound Gain: 50B ± 5dB
Harmonic Wave Distortion: ≤10%
Frequency Range: 450~3000hz
Input Noise: ≤30 dB
Battery: Lithium battery Working Voltage DC 3.7V
Working Current: ≤5mA
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.