Disclosed is an apparatus used in an electronic device for providing haptic feedback. The apparatus includes a holder having a pair fastening holes, a piezoelectric vibrator having a first though holes, a terminal with a second though hole mounted on the piezoelectric vibrator and electrically connected to the piezoelectric vibrator, and a pair of fixing portions fixing the terminal and the piezoelectric vibrator on the holder though the second though hole of the terminal, a first though holes of the piezoelectric vibrator and the fastening holes of the holder. The fixing portions fix the terminal and piezoelectric vibrator on the holder, which makes the assembling process much easier.