[ Large Screen & Wide Compatibility ]: This car FM transmitter Bluetooth design with remote control, 1.8 inches Large Screen display voltage level in car battery, also it is able to show the incoming call number, volume, FM frequency and song name while playing music from Micro SD card or U-disk, and this radio adapter works with compatible devices, such as iPhone XS/ XS Max/ X, iPhone 8/ 8 plus/7/ 7 plus, Samsung, Huawei, Xiaomi, LG, Blackberry, Sony, Tablet, iPod and iPad etc | [ Multiple Playing Modes & Clear Sound ]: Four music play modes: 1, Via Bluetooth; 2, Via Micro SD card (MP3, WMA, WAV format supported); 3 Via USB flash disk; 4 Via 3.5mm Audio cable (MP3 player, tablet, etc.) adopted advanced interference and noise cancellation technology - CVC technology creates full duplex sound and suppresses noise and wind. Our factory had improved the using experience to reduce interference | [ Dual USB Ports & Fast Charging ]: The Bluetooth car transmitter with 2 USB charging ports, which one is able to plug the U disk for music, also you can get your devices full charged in short time, wireless Audio Cell Phone hands free car transmitter support charging 2 devices at a time, which is 3.4A together(5V/ 2.4A, 5V/ 1A), the FM transmitter with built-in smart chip( charging IC) will divide the voltage based on the need of device automatically | [ Remote Control & Easy to Use ]: The Bluetooth FM transmitter wireless support with 21-key remote control for the Bluetooth FM Transmitter and the neck can be adjusted to the perfect viewing angle, so that is very convenience. Plug the car FM transmitter Bluetooth into the cigarette lighter socket, turn the car FM radio on, find an empty frequency, and match it to the transmitter; Insert a Micro USB Flash Driver or pair this Bluetooth FM transmitter with your digital device to enjoy music playb | [ Safety Guarantee and Worry-free Warranty ]: The car Bluetooth FM transmitter built-in safety system includes overload, short-circuit, and over voltage protection, lightweight and compact for easy portability, With 12 months manufacturer 100% money back guarantee. Welcome to contact us if you have any questions or concerns. Our reliable Customer Service will be sure to reply within 24 hours and offer proper solutions for you.