Digital Rechargeable Hearing Aids USB Ear Aid Sound Amplifier Portable Adjustable Tone For The Elderly Care Deaf Hear Aid Z-03

Features:
1.High and low tone control
2.Left & right ear adjustability
3. Background noise reduction
4.Suitable for people with moderate hearing loss (80-90dB)

Specification:
-100% brand new, high quality
-Product name: Hearing Aid
-Material: Silicone/ABS
-Color:gold
-Power mode: rechargeable
- MAX OSPL90: ≤129dB+-/3dB
-Harmonic Wave Distortion:≤10%
-Frequency Range: 450～5000 Hz
-Sound gain: >= 38dB+/- 5dB
- Input Noise: ≤29dB+-/3dB
- Charing box: Include 300mAH，Full charing about 3 hours OK to hearing Amplifiers recharing about 4 times
-Hearing Amplifiers: Include 35mAH，Full charing about 1.5 hours，Working about 25 hours

Package Included:
 1 x Hearing Aid
 1 x Charging box
 1 x Usb line
 3 x Units Of Earplug Of Different Size
 1 x Cleaning brush
 1 x User Manual

Note:
-That is normally situation that hearing aid make whistle noise .
-Adjust the volume to the minimum before wearing to avoid sudden howling
-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.
-Increase volume gradually to avoid sudden increase in sound.
-Choose an earplug of slightly bigger size to avoid whistler.