Price: US $102.11/ lot, 4 pieces / lot,$25.53/ piece|Bulk Price: US $102.11/piece 17% off(3 lots or more)|Processing Time: Ships out within 3 days
Unit Type: lot (4 pieces/lot)|Package Weight: 1.0kg|Package Size: 12cm x 12cm x 12cm
Poket hearing aid Sound amplifier
body Battery hear aids similar simens
Hearing aid
US STANDARD Hearing aid,pocket hearing aids,
EN; FDA;
Suitbale for Serious Deafness or hearing weakness,
5days delivery time
with 3~4 earplug
Products name | Max sound output | Max sound gain | Harmonic Wave Distortion | Frequency Range | Input noise | Battery |
SL-F18 Body body hearing aid | 130±5dB | ≥62 dB | ≤5% | 300~4000hz | ≤30dB | 5#battery |
1.before using switch the volume to the minimum position.
2.put the ear hook on your ear.plug in the ear plug tightly.
3.turn on the powder,and adjust the sound volume to get clear sound.
4.if you hear the whistling sound,please check whether you
have plugged in the ear plug tightly.If it cann't be pluged tightly,please change the other size plug.
5.when you don't use it,please open the battery artridge or take out the battery otherwise it will continue to work.