We have written a new guide to compatibility of the different Oral-B Smart Guide display units. You can use our information page to find the correct replacement SmartGuide wireless timer to work with your electric toothbrush if your existing SmartGuide is lost or broken. Check out our list of Oral B SmartGuide types now!
Hello, is the smart guide compatible with the io 8s?
Only if there is an option within the app to enable SmartGuide mode for the toothbrush.