A fluid dispenser device with a main body (10)； a reservoir (21) containing a dose of powder； a reservoir opening mechanism (80)； a dispenser orifice (5)； a movable support mechanism (50) to displace a reservoir (21) against the opening mechanism on actuation and displaceable between a non-dispensing position and a dispensing position, urged towards the dispensing position, and held in the non-dispensing position by a blocking mechanism (100). An inhalation trigger system (60) is provided that has a deformable air chamber (61) and a trigger element (600) that co-operates firstly with the air chamber (61) and secondly with the blocking mechanism. The fluid dispenser device further includes an electronic dose counter or indicator device (300) including a sensor (306) to detect displacement or deformation of a portion of the fluid dispenser device, generated while the user is inhaling or after the user has inhaled.
