Bluetooth allows you to wirelessly transmit music and phone calls from your smartphone through your vehicles FM stereo system Can be used with non-Bluetooth devices using the AUX port and included auxiliary cable Included remote control lets you conveniently and safely switch between radio stations, navigate through MP3 files via Bluetooth, select next/previous track, adjust the volume up/down, and more LCD screen with backlit display offers easy viewing Flex neck design for easy positioning and multiple viewing angles 2.1A illuminated USB port allows you to charge while you play (Input: 12VDC; Output: 5V, 10W)