An apparatus for diffusing essential oils into the air or infusing air with essential oils, the apparatus comprising: a reservoir configured to hold essential oils in an internal cavity; a controller assembly removably coupled to the reservoir, the controller assembly comprising an air inlet port, a first controller, and a micro air pump unit; a base (120, 220) removably coupled to the controller assembly, the base comprising a second controller, wherein the second controller is connected to the first controller such that the first and the second controllers are configured to permit bidirectional communication and control capabilities; a tube in fluid connection at a first end with the micro air pump unit and extending into the reservoir, the tube providing a path for pressurized air from the micro air pump unit into the reservoir through a plurality of orifices (182, 482) at a second end of the tube; and a collar assembly, wherein: the controller assembly is removably coupled to the collar assembly and the collar assembly is removably coupled to the reservoir and to the tube; the collar assembly comprises an exhaust passageway fluidly connecting the internal cavity of the reservoir with an exhaust opening on the controller assembly; the collar assembly comprises a collar inlet port, a collar exhaust aperture, and a collar exhaust channel; the collar exhaust aperture is located on a first side of the collar inlet port; and the collar exhaust channel is a passageway extending from the first side of the collar inlet port and around the collar inlet port to a second side of the collar inlet port and out a side of the collar assembly. a reservoir configured to hold essential oils in an internal cavity; a controller assembly removably coupled to the reservoir, the controller assembly comprising an air inlet port, a first controller, and a micro air pump unit; a base (120, 220) removably coupled to the controller assembly, the base comprising a second controller, wherein the second controller is connected to the first controller such that the first and the second controllers are configured to permit bidirectional communication and control capabilities; a tube in fluid connection at a first end with the micro air pump unit and extending into the reservoir, the tube providing a path for pressurized air from the micro air pump unit into the reservoir through a plurality of orifices (182, 482) at a second end of the tube; and a collar assembly, wherein: the controller assembly is removably coupled to the collar assembly and the collar assembly is removably coupled to the reservoir and to the tube; the collar assembly comprises an exhaust passageway fluidly connecting the internal cavity of the reservoir with an exhaust opening on the controller assembly; the collar assembly comprises a collar inlet port, a collar exhaust aperture, and a collar exhaust channel; the collar exhaust aperture is located on a first side of the collar inlet port; and the collar exhaust channel is a passageway extending from the first side of the collar inlet port and around the collar inlet port to a second side of the collar inlet port and out a side of the collar assembly. the controller assembly is removably coupled to the collar assembly and the collar assembly is removably coupled to the reservoir and to the tube; the collar assembly comprises an exhaust passageway fluidly connecting the internal cavity of the reservoir with an exhaust opening on the controller assembly; the collar assembly comprises a collar inlet port, a collar exhaust aperture, and a collar exhaust channel; the collar exhaust aperture is located on a first side of the collar inlet port; and the collar exhaust channel is a passageway extending from the first side of the collar inlet port and around the collar inlet port to a second side of the collar inlet port and out a side of the collar assembly.