Rechargeable In The Ear Hearing Aids

الوصف

KF***6B Rechargeable In The Ear Hearing Aids

Feature:
1. Save money: Don't need buy the batteries for hearing aid, Batteries Waarrant: *8 months.
2. More Convenient: Use USB interface,Can connect the power bank and computer, Rechargeable anytime and anywhere,
3. Latest IC ciruit system : The sound is more clear, The noise is smaller,
4. Sound gain: The sound crest volue is bigger, More than *0dB,
5. Worldwide universal USB cable and Adapter: ******0V, Include Asia, Europe, Middle East, Africa, America etc.
Technical Parameter:

1. Max. saturated sound pressure:  ≤**0*5 DB

2. High frequency average: **2±5 DB

3. Max.voice gain: *4±5 DB

4. Equivalent noise level:   ≤*2 DB

5. Total harmonic wave distortion: *2.5%/0.9%/0.5%

6. Frequency response range:       *******0 HZ

7. Attachment:1*host,4*earplug,1*adapter（Europe or US）,1*charging box,1*turning bar,1*manual