1.2 PORTS USB CAR CHARGER and QC3. 0Support Charge 2 devices simultaneously with Bluetooth FM transmitter for car. One port is 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 play music. 2.BLUETOOTH V5.0 amp; WIDE COMPATIBILITYWith advanced Bluetooth V5.0 chip, this FM transmitter bluetooth provides faster pairing and more stable sound than other normal products in the market. It can effectively avoid the problems of unstable connection. The fm transmitter also has wide compatibility with all Bluetooth enabled devices, such as iPhone, iPad, LG ,Samsung, Tablet, HTC, Sony and other Android Smartphones; Also it will fit all of cars/trucks (12-24V). 3.SIRI GOOGLE ASSISTANT V5.0 Bluetooth FM transmitter supports voice commands to ensure safe driving, using Siri or Google Assistant to make phone calls, send texts or get driving directions.Get your things done faster and more convenient with intelligent Siri/Google Assistant and Enjoy complete voice-control while you driving. 4.IMMERSE IN Hi-Fi MUSICIt can also support your playlist with no distortions of the original signal from your MP3, LG, Samsung, Android Smartphones and more Bluetooth enabled devices. The bluetooth fm transmitter will bring you an amazing auditory experience with its clear and stereo sound. 5. HANDS-FREE CALLSamp; COOL LED LIGHTHigh-performance microphone with Noise Suppression (CVC) technology, grants you crystal clear call. Answering/redialing/dismissing or ending call just simply click a button. Also support private call. make you drive more safely. And in the night, the Blue LED light will remain on constantly after the successful Bluetooth pairing, allows you to see easily during the nighttime and will make your cars internal layout looks cooler and more attractive.