Behind the Ear Sound Voice Amplifier Hearing Aid Reviews
Behind the Ear Sound Voice Amplifier Hearing Aid Feature
- Adjust volume to minimum before wearing
- Choose an earplug of slightly bigger size to avoid whistler
- Increase volume gradually to avoid sudden increase in sound
- This product is not medical device
- Accessories: 2 earplug of different sizes & 2 batteries
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Jun 30, 2011 03:24:06
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