Disclosed is an apparatus used in an electronic device for providing haptic feedback. The apparatus includes a base defining a receiving space, a piezoelectricity vibrator suspended in the receiving space and being capable of vibrating in the receiving space, a pair of contacts partially accommodated in the base and electrically connected to the piezoelectricity vibrator, and a transmitting mass located above the piezoelectricity vibrator with a lower side abutting against the piezoelectricity vibrator.