LifeCare Ear Hearing Aid Amplifier Handy Mini Hearing Aid Best Digital Hearing Aid Sound Voice Amplifier Sound Amplification Device Ear Hearing Aids Clear Voice Hearing device Best for Deaf People With Latest Technology
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LifeCare Ear Hearing Aid Amplifier Handy Mini Hearing Aid Best Digital Hearing Aid Sound Voice Amplifier Sound Amplification Device Ear Hearing Aids Clear Voice Hearing device Best for Deaf People With Latest Technology
Product details of LifeCare Ear Hearing Aid Amplifier Handy Mini Hearing Aid Best Digital Hearing Aid Sound Voice Amplifier Sound A Voltage: DC 1.5V
Current: ≤4mAUsage
Open the cartridge cover, put the battery in the correct position. Zine Air battery is the best choice and has a longer life.
Before using, make sure that power is turned off, or make the volume to “l”.
Put the ear hook on your ear, plug in the ear tightly. Note:The unit is on “off” position, and volume is on “l”, otherwise the instant sound will make you uncomfortable.
Turn the power, and adjust the sound volume to get clear sound,
If you hear the whistling sound, please check whether you have plugged in the earplug tightly. If it can’t be plugged tightly, please change the other size plug
