Digital Hearing Aid Aids Rechargeable Adjustable Tone In Ear Personal Care Sound Amplifier
Features:
Brand new and high quality hearing aid sound amplifier
Super mini size and light weight, not easily to be seen
Adjust volume to the minimum before wearing
Increase volume gradually to avoid sudden increase in sound
Convenient for watching movie, enjoying the drama, attending meeting, or having class, it could help you hear the sound clearly and loudly
Specifications:
Rechargeable Hearing aid:
Max Sound Output: 129dB ± 4dB
Max Sound Gain: 50dB ± 5dB
Harmonic Wave Distortion: 5%
Frequency Range: 450~3500 hz
Input Noise:30 Db
Battery: Lithium Battery
Working Voltage DC 3.7V
Working Current: 3 mA
Measurement: 46*27*16mm
Net Weight:12g
Special Function Key: Rechargeable
Package Content:
1 x Hearing Aid
1 x Carrying case
1 x Charger (110-240v.)
4 x Earplugs
1 x User Instructional Brochure
1 x earphone
Note:
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.
Keep the ear plug clean
Remove the battery if you don't use it for long time.