I’ve just barely tested the integration so far, and it seems to work well with my Sonicare prestige 9900 (HX999X) I’ve got loads of different bluetooth proxies (both shelly and esp32), so that’s how it’s connected. probably a shelly device used as a proxy.
I see all sensors go to unavailable aftere a while.
At least some of them I think should retain the last known value, like firmware/model/motor runtime.
I did have a little struggle connecting the toothbrush, and after reading the updated manual I see that it’s probably becase I put it back on the charger.
So far I’m very happy with this integration!