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8 pcs · soft
Previous attachments vibrated slightly better, but for the price these are not bad either
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8 pcs · soft
Cons:
When you take it off the brush, the inner part stays on the brush. So the quality is below average.
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gray
Pros:
10 pcs
Cons:
They just don't work, I don't know how you can screw up this badly, but they barely vibrate, and when you start brushing your teeth the vibration dies out, impossible to use
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pink
Pros:
It fit the brush, but the bristles are prickly and stiff
