A USB plug in vehicle air freshener for dispensing a fragrance in a host vehicle. The vehicle air freshener has an elongated freshener body that includes on its exterior a USB jack for plugging into a USB plug on the host vehicle at one end and a vent as the other end, as well as an exterior manual activating switch. On the interior, the freshener body includes a fragrance that hold a fragrant material to be dispensed, a heating element for vaporizing the fragrant material so that it may exit through the vent, and an internal control system that allows the dispensing of fragrance to be controlled wirelessly by a separate device, such as a computer system on the host vehicle.