Wireless Car Bluetooth FM Transmitter MP3 Radio Adapter USB Charger Features: 2 PORTS USB CAR CHARGER and QC3 . 0 CHARGERSupport 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 . BLUETOOTH V5 .0 & 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 radio transmitter also has wide compatibility with all Bluetooth enabled devices, such as Phone, Pad, Tablet, other Androd Smartphones; Also it will fit all of cars/trucks (12-24V) . SIRI GOGLE ASSISTANTV5 .0 Bluetooth FM transmitter supports voice commands to ensure safe driving, using Siri or Gogle Assistant to make phone calls, send texts or get driving directions .Get your things done faster and more convenient with intelligent Siri/Gogle Assistant and Enjoy complete voice-control while you driving . IMMERSE IN Hi-Fi MUSICInsert a USB flash driver (32G)which contains MP3 files into theRIGHT"USB port and enjoy it . If that"'"s not enough, it can also support your playlist with full range of audible frequencies with no distortions of the original signal from your MP3, Androd Smartphones and more Bluetooth enabled devices . The car radio transmitter will bring you an amazing auditory experience with its clear and stereo sound . HANDS-FREE CALLS& 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 . Specifications: 1 .Voltage: 12-24V 2 .Frequency Range:87 .5-108MHZ 3 .Bluetooth Version:V5 .0 4 .Product Size:33 .7*80 .0mm 5 .Product Weight:37g(NW)/73(GW) Functions: 1 .Quick Charge 3 .0(DC3 .5-6 .5V/3A 6 .5-9V/2A 9-12V/1 .5A) 2 .Support USB Flash Drive(only FAT32 format) max 64GB Package Include: 1 x FM Transimitter 1 x Manul How To Use The Device? --All Models Can Follow This . 1 .Start you car and set a blank frequency WITHOUT any show on your car radio 2 .Insert the device into your car cigar light, and set the same frequency as your car radio 3 .Turn on bluetooth of your phone and search the device namedC57"to connect it 4 .Now you can listen music from your phone app or U Disk, make hands-free call, navigate and charge your electronic devices .