The iSimple Vehicle Bluetooth 5.0 FM Transmitter lets you play music and make calls hands-free in your car. It features two USB ports, one with PD 3.0 fast charging for your iPhone, and the other with 5V/2.4A smart charging for other devices. You can stream music from your phone via Bluetooth or from a microSD card or USB flash drive. It also has an AUX input and output, so you can connect it to your car's AUX port or use it to transmit audio to another device. The large TFT color display shows song information, frequency, and more.