Multi-Functional: Supports incoming call announcement, remote control, fast-forward & fast-backward, Music Player Support TF Card, USB Flash Drive, AUX Input/Out, Hands-free calling. | Humanized Design: 1.4 inches Big LCD Display clearly shows phone calls, car battery voltage, song names which played through TF Cards and USB flash drive (songs via Bluetooth will not display). | Broad Compatibility: Compatible with most devices, enjoy music on your car stereo through Bluetooth, TF Card, Aux Cable and USB flash drive. Advanced noise reduction technology will ensure crystal clear sound. | Remote Controlled: With 21-key remote, everyone in the car can control the FM transmitter. Changing FM frequency, changing music, answering phone calls, hang up phone calls and adjust volume. | Charging Station: Comes with a 5V-2.1A charging port for fast charging, charging most USB devices. Such as iPhone X, 8, 8s, 7, 7Plus, 6, 6S Plus；Android Smartphones, Power Bank etc, better charging performance!