In an example embodiment, a pack for tobacco articles comprises an inner sleeve, and an outer box comprising front and back covers that allow access to the inner sleeve when the outer box is opened. The inner sleeve can include a front connecting panel pivotally connecting a front wall of the inner sleeve to an inner surface of the front cover and a back connecting panel pivotally connecting a back wall of the inner sleeve to an inner surface of the back cover. A slot in the outer box is configured to allow opening of the outer box by applying pressure against a bottom wall of the inner sleeve.

In an example embodiment, a pack for tobacco articles comprises an inner sleeve, and an outer box comprising front and back covers that allow access to the inner sleeve when the outer box is opened. The inner sleeve can include a front connecting panel pivotally connecting a front wall of the inner sleeve to an inner surface of the front cover and a back connecting panel pivotally connecting a back wall of the inner sleeve to an inner surface of the back cover. A slot in the outer box is configured to allow opening of the outer box by applying pressure against a bottom wall of the inner sleeve.

A set of devices is provided for an electronic cigarette. The set of devices has a first device and a second device, wherein the first device has an authentication device which is configured to authenticate the first device and the second device in relation to a control element of the electronic cigarette. The set of devices further has an identifier which indicates that the first device has the authentication device for authenticating the first device and the second device, wherein the second device is without an identifier which indicates that the second device has the authentication device for authenticating the first device and the second device.