An electronic device includes one or more deformable interfaces which are able to pressurize a part of a user operating, in an actual environment, an operation target moving in a different environment and of which shapes are changeable; and one or more temperature changing units which are able to change a temperature perceived by the part of the user. A feedback system includes the electronic device; an actuator control unit configured to control an operation of an actuator that changes the shape of the deformable interface based on a change in a tactile sensation estimated to be obtained by the operation target; and a temperature control unit configured to control the temperature of the temperature changing unit capable of changing a temperature perceived by the part of the user based on a change in temperature estimated to be perceived by the operation target.