Abstract: An article for an aerosol provision system includes an aerosol generator and article control circuitry configured to control electrical power supplied to the aerosol generator based on a value of a counter stored in memory of the article control circuitry.

Abstract: The present invention relates to a wireless headphone system in which a controller is coupleable to a source and configured to receive data from the source (for example a media player, mobile phone, tablet computer, laptop or desktop computer etc), and a pair of headphones is configured to be wireless couple to the controller or source in order to receive media from the source and output the media as audio. The headphones may also output headphone data. The source data and headphone data are presented to the user on a screen on the controller, and the user may issue control commands via a controller user interface in order to control the source. Furthermore, the headphones may also be charged via the controller.