Feature: 1.Hi-Fi BASS MUSIC STREAMING - Insert a USB flash driver (≤64G) into the "Blue" USB port and enjoy it. If that's not enough, it can also play music from your smartphones, iPod, tablet, and more Bluetooth-enabled devices. The Bluetooth FM transmitter will bring you an amazing auditory experience with its clear and stereo sound. 2.QC3.0 QUICK CHARGE & 2 USB PORTS - Charge 2 devices simultaneously with our Bluetooth car adapter. One port is a quick charge 3.0 port, up to 4X faster than standard chargers, able to charge compatible devices to 80% in just 35 minutes, and the other USB charging port (5V/1A) also functions as a U disk port for playing music. 3.HANDS-FREE CALLS & WIDE COMPATIBILITY - High-performance microphone with noise suppression (CVC) technology, grants you a crystal clear call. One button to answering/redialing/dismissing or ending calls. It has wide compatibility with all Bluetooth-enabled devices, such as Phone, iPad, Tablet and other smartphones; Also it will fit all cars/trucks (12-24V). 4.COOL RGB LED STRIP - FM Transmitter Bluetooth car adapter supports 7 colors LED backlight, including red / green / blue / yellowish green / purple / cyan / silver white. 7 colors LED breathing light makes driving more fun, glow to amplify the atmosphere and also makes it easier to operate and drive at night. Equipped with an LED voltmeter that shows you the condition of your car battery to keep you up to date on the condition of the vehicle. 5.SAFETY PROTECT - Comes with built-in over-current protection, over-voltage protection, intelligent temperature control, short circuit protection. Specification: Special Feature: LED Backlit, Bluetooth FM Trans Connectivity Technology: USB Power Source: Corded Electric Wireless Communication Standard: Bluetooth packing list: 1 * Bluetooth FM Transmitter