Abstract: The invention relates to a round instrument for a vehicle (1), comprising a vehicle interface (3) for transmitting signals (4) between the vehicle (1) and the round instrument (2), comprising an electrical controller (5) for processing at least one signal (4) transmitted from the vehicle (1) to the round instrument (2) via the vehicle interface (3) and for generating at least one piece of vehicle information (6) from the signal (4), comprising a communication interface (7) for communication between the round instrument (2) and a mobile device (8), in particular a smartphone, and comprising a front digital display (9) for displaying the at least one piece of vehicle information (6) and/or a piece of mobile information (10) received from the mobile device (8) via the communication interface (7).