The Model F4 not support TF card playback.

JaJaBor Bluetooth 5.0 Car FM Transmitter MP3 Player Wireless Handsfree Car Kit Receiver Adapter with PD USB Phone Charger

Features:
1. Bluetooth answering, hanging up, rejecting, redialing and other functions.
2. Support Bluetooth stereo music playback.
3. Digital LED display.
4. Support car battery voltage detection.
5. Support U disk playback (MAX64G).
6. Support colorful atmosphere light display.
7. Support MP3/WMA format music.
8. Support FM full frequency point transmission function 87.5-108.0MHZ.
9. Automatic power-off memory function.
10. U disk port supports 5V/1A mobile phone charging.
11. Support 5V/3.1A mobile phone charging.
12. Support mobile phone navigation voice prompt.
13. Support charging recognition

Specification:
Bluetooth version: V 5.0
Material: ABS
Play mode: FM transmitter
Effective distance: ≤10m
Size: 87*37.8*50 MM
Applicable model: for 12V-24V large and small cars can be used

Package include:
1*FM transmitter car charger
1* User Manual