US 2pcs CIC Invisible Ear Hearing Voice Sound Amplifier Elderly Battery

Description

Features:
High quality invisible 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
Specification:
Type: K-188 Hearing aid
Mini ITE Hearing aid
Max Sound Output: ≥110 dB ± 5dB
Max Sound Gain: ≥30 dB ± 5dB
Frequency Range: 300～4000Hz
Input Noise: ≤40 dB
Battery: A10 Button battery (included)
Working Voltage: dc1.5V
Working Current: ≤3mA
Color: As the picture shows
3 steps to remove Whistle
1. Choose a suitable earplug to make the product sealed in the ear canal
2. Low down the sound volume
3. When you put into battery , please be quick , to put the product into the ear
Notice:
Adjust the volume to the minimum before use.
Choose a slightly larger size cap to avoid the whistler.
Increase the volume gradually to avoid sudden increase in sound.
Keep the ear plug clean
Remove the battery if you do not use it for a long time.