The present invention relates to a device or apparatus comprising a touch surface provided with first capacitive measurement electrodes (21), a fingerprint sensor (14) provided with second capacitive measurement electrodes (22) distinct from the first electrodes (21), capacitive electronic detection means (20) arranged so as to allow the detection of control objects (11) in a neighborhood of the first electrodes (21) by measuring a capacitive coupling between said first measurement electrodes (21) and said control objects (11) wherein said capacitive electronic detection means (20) comprise inputs electrically connected simultaneously to at least one first measurement electrode (21) and at least one second measurement electrode (22).