The I/O 4 cleans really well. We've only used for 2 weeks so can't comment on durability. We have small mouths and it's challenging to clean the back molars. Haven't searched for smaller brush heads. We like the pressure indicator light that changes color to green when the correct pressure is applied.
Verified purchase: Yes | Condition: New
For an iO Series 5, it's a really nice electric toothbrush. I feel like I just came from the dentist.
Verified purchase: Yes | Condition: New
Good deal
Verified purchase: Yes | Condition: Pre-owned
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