- 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”.