A method of synchronizing a feature between an electronic vapor provision system and a mobile communication device of a user includes obtaining a current parameter of a configurable feature on one of the electronic vapor provision system and the mobile communication device; communicating an indication of the parameter to the other of the electronic vapor provision system and the mobile communication device; and the other one of the electronic vapor provision system and the mobile communication device reconfiguring a corresponding feature in response to the communicated indication of the parameter.