US Patent 9955724 Electronic vapor provision device

An electronic vapor provision device comprising a body (4) configured to be releasably connectable to a vaporizer (10). The body (4) comprises a power cell (20), a computer processor (18), a memory (22) and an audio signalling device (16). The memory (22) stores information on a first user notification event comprising connection of the vaporizer. Moreover, the computer processor (18) is configured to identify when the first user notification event occurs and to notify a user of the event by emitting a user (10) notification sound from the audio signalling device (16).