驗證網址superuser.com安全性

Is bluetooth 4.0 backwards compatible with bluetooth 2.0+EDR? - Super User

They are backward compatible. But - since each version brings new functionalities with it, only the basic function set is backward compatible all the way, see the table for more detail. In addition to that 2 devices wanting to communicate using bluetooth ...

網址安全性掃描由 google 提供