Popular pocket hearing aid JY 2019A (factory price)

Product Overview

Description

Popular pocket hearing aid-JY-2019A (factory

 

price)

1,parts: host (1) earplugs (1) English instruction (1) blister tap (1)

2,maximum output: 120 dB

3,noise gain: 22.8 dB

4,harmonic distortion: 10%

5, equivalent input noise level: 48dB

6,frequency range: 200-5000 hz

7,working voltage: 3 v

8,directional: all

9,working current of 10 ma

10,battery capacity: 1150 mah

11,continuous working time: more than 48 hours the magic sound hearing AIDS

 

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