BLUETOOTH 5.0 FM TRANSMITTER --- A wireless workaround for playing portable audio, supports 4 music play modes (AUX/ BLUETOOTH/ USB/ TF CARD) on car radios that don't have Bluetooth connectivity, personalize your own radio program on the way to work or travelCRYSTAL HANDS-FREE CALLS --- The built-in Noise Suppression (CVC) design can reduce external environmental noise well to provide crystal clear for hands-free call. All in one button: answer/reject/hand up/recall enable you seamlessly switch between incoming calls and musicFAST CHARGING --- The Bluetooth car adapter comes with a 5V/2.5A and a QC3.0 charging port to deliver simultaneous high-speed charging to driver and passenger, the charging time is 4 times faster than conventional chargingMORE COMFORTABLE VISION SENSORY -- 2 Inch TFT color FM transmitter display screen offers a wider visual interface; Combine the gooseneck that can rotate 360 degrees for the comfortable and freestBLUETOOTH FM TRANSMISSION --- Advanced Bluetooth V5.0 chip provides FM transmitter faster pairing and more stable sound than other common transmitter on the market, which can avoid unstable connection problems effectively