4 sound tubes size 3b for left and right. 3b slim tube is longer than standard size 2b tube. if you are taller than 6 feet or wear glasses, 3b sound tube will be better for you.
the slim sound tube with blue 3b letter is for left, with red 3b letter is for right, clean them with brush tool every week to avoid blocked every week.
4 magic domes & 6 close domes with different sizes. try all of them at the beginning and choose the right size which feels most comfortable. the right size of domes can reduce sound feedback.
to get best sound gain, we suggest users to replace sound tubes and domes every one or two months.
the slim sound tubes are suitable for most other devices which need sound tube with the same shape of the tube top as “vivtone pro20 hearing aid”.
for left and right, there are four sound tubes of size 3b. the 3b slim tube is longer than the 2b standard tube. a 3b sound tube is better if you are taller than 6 feet or wear glasses.
to avoid getting blocked, clean your slim sound tube with a brush tool every week if it has a blue 3b letter on the left and a red 3b letter on the right.
there are four magic domes and six close domes of different sizes. you should try all of them at the beginning and choose the size that feels most comfortable to you. sound feedback can be reduced with the right size domes.
to get best sound gain, we suggest users to replace sound tubes and domes every one or two months.
most other devices that require sound tubes with the same shape as the “vivtone pro20 hearing aid” can be fitted with the slim sound tubes.
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