This charger has no card slot or TF card slot!!!!!!Just 2 USB A ports!!!

Product Features:

High Performance Bluetooth-compatible FM Transmitter: Solid Bluetooth-compatible and FM connections stream music straight from your phone to your cars sound system.

Easy Pair: Easily pair your smartphone in seconds and stream music straight from your phone to your car's sound system. This will automatically connect to its memorized paired Bluetooth-compatible device when power on.

Voltage Display: Voltage display feature ensures security reminder at a glance.

Hands-Free Calls: Bluetooth-compatible 5.0 technology provides a stable connection and echo-cancellation reduces background noise for clearer calls. Built-in microphone with Echo Cancellation and Noise Suppression (CVC) technology can effectively create full duplex sound quality. Easily answering/redialing/dismissing or ending a call just simply click a button.

Dual USB Ports: Comes with 5V-2.1A and 5V-1A two charging ports, you can get your devices full charged in short time, support charging two devices simultaneously. Help you enjoy in-car stereo streaming and charge Your smart device at the same time.