The ultimate tool, a must have for each tooth you have ! Do not wait , if you do you will slap yourself when you finally do decide to buy the best oral cleaning tool ever!

Provides very thorough cleaning. My only concern is lack of accessories. The less expensive model, the iO-7 comes with brush head holders, how come the top of the line model, the iO-9 does not?

Motion sensor on toothbrush will continuously drain the battery when the toothbrush moves around in case or bag. Any slight movement will turn on display. Must charge DAILY which is very inconvenient for traveler.

I have been enjoying my iO Series 9 toothbrush for 2 years I have not had any problems Dental check ups are always good and I noticed the Dental assistants have an easier time cleaning my teeth I also enjoy zero pain

Received as a gift and couldn't be happier. I call it the "Cadilliac of tooth brushes". I love the blue tooth tutorial and other amenities. A 5-star tooth brush indeed.

I have been using the iO for a week instead of Sonicare Diamond Clean: the iO has a more refined display, better Bluetooth connectivity, and better cleanings

I like the toothbrush but this is my 3rd one. They seem to stop working about 5 months in. Not sure what I'm doing wrong. 🤔 I just ordered another one.

When I bought this I didn’t realize that it costs way more just cuz you added one thing in so it ended up costing a lot more than just getting the Oral-B iO series 9 Be careful when you use money on this

I've just started using my Oi toothbrush but for the price paid, I can't believe it doesn't have a little plastic cap to go over the brush head when on the charger.

Product is fine but the charger is not smart. If you keep the device on the charger, which is super convenient, it will prematurely kill your battery. My toothbrush lasts no more than 5 seconds a month after the warranty expired.