A USB scent diffuser having a first housing rotatably connected to a second housing. Disposed within the first housing is a first circuit board attached to a USB connector, an on/off button, and an indicator light. Disposed within the second housing is a second heat producing, circuit board and a fragrance emitting member. The first and second housing are connected so that the second housing is rotated in relation to the first housing so that the fragrance emitting member is selectively positioned above the second heat producing circuit board.
