Can only answer the last question: Yes, would buy it again as it is pleasant and quiet. I don't use the app

The Oclean X Pro Elite Premium Set toothbrush can only be charged on the charging station. The travel case is only used for storage and not as a charging device.

No, the time is not displayed. However, the remaining time of the selected programme is displayed.

No, the Oclean X Pro Elite Premium Set does not display the time. It is equipped with a smart screen that displays the brushing results, but does not have a clock function.