Plugs into Vehicle's Lighter Port, Stream Music through Car Stereo, Bluetooth 4.2 Connectivity, Three-Button Control, Multi-Function Dial, 2 USB Type-A Charging Ports, Built-In Microphone. Utilize your car's cigarette lighter adapter port to enjoy wireless audio streaming through your car's speaker with the Universal Bluetooth Audio Receiver and FM Transmitter from Aluratek. Simply insert the audio receiver into your car's 12V cigarette lighter adapter port and pair to your Bluetooth enabled smartphone tablet or MP3 player. This receiver features three-button control with a next track button previous track button and a multi-function dial.Use the dial on the unit to seek out the best signal from any unused FM radio station to Bluetooth enable your vehicle's speakers and listen to your favorite tunes podcast or audio book. This receiver features Bluetooth 4.2 for wireless performance and is backward compatible with Bluetooth 3.0 and 2.1. In addition this receiver also supports hands-free calling through the built-in microphone.