A skin attachable drug injection device (1), comprising an accelerometer (26) able to detect the user tapping against the housing (2) of the device and to generate an electrical signal to the device controller (16), which recognizes the signal as a user request for information regarding the ongoing delivery of the medicament, and a transmitter (30) which in response wirelessly transmits said information (e.g. the expected remaining during of the injection) to a separate portable user device having a display (e.g. mobile phone). A user carrying the injection device under clothing can thus receive feedback about the status of the injection in a discreet way.
