A modulator apparatus comprising: an elongate housing having a distal portion and a proximal portion that flares outwardly from the distal portion; a cigarette lighter power adapter formed into the distal portion of the elongate housing; a user control panel located on the proximal portion of the elongate housing; an audio input jack in the elongate housing; a battery charging mechanism in the elongate housing for charging a battery of an external electronic device; a circuit located within the elongate housing and operably coupled to the cigarette lighter power adapter, the battery charging mechanism, the audio input jack, and the user control panel; and the circuit comprising means for transmitting an audio signal received by the audio input jack to a radio tuner.