Coolbe: Тауар туралы ақпаратты сатушы берді. Берілген ақпаратқа қарамастан, тауардың профилактикалық, диагностикалық, емдік немесе оңалту қасиеттері жоқ, дәрілік зат болып табылмайды, медициналық мақсатта қолдануға болмайды және медициналық құрылғы болып табылмайды. Маманмен кеңесіңіз.
-----
Features:
1. Digital processing chip, ultra-low power design, (zinc air battery A13)600 hours last use of one battery
2. Ear hook and shell copper column connection, solid structure.
3. high-fidelity microphone, small distortion, low noise;
4. Comfortable adjustment, can reduce noise.
5. New digital hearing aids, beautifully designed for moderate to severe hearing use.
Technical Parameters:
Maximum saturated sound pressure level (dB):≤132dB + 3dB
High frequency average :127dB ± 4dB
Full sound gain (dB):50dB ± 5dB
Equivalent input noise:≤ 32dB
Total harmonic distortion:≤ 10%
Frequency response range:450Hz ~ 3000Hz
Rated supply current:≤ 5mA
Instruction:
- Adjust volume to the minimum before wearing.
- Choose an earplug of slightly bigger size to avoid whistler.
- Increase volume gradually to avoid sudden increase in sound.
-If you hear a howling,check the ear (silica gel) is appropriate and whether the size of plug is tight,the appropriate choice of earplugs and plugged, make sure no air leakage.
- Please regularly clean the ear plugs or ear molds in order to ensure the normaluse of hearing aids.
- Use for long periods of time, please remove the batteries to prevent battery roterosion hearing aid components
Package content:
1 x Hearing Aid:
1 x Cleaning Brush
4 x Earplugs(Different Size);
1 x Instruction manual(in English)
2pcs sound tube
only 1pcs battery please note not 2pcs batteries.
