Audi A4 car DVD player GPS function:
1. In-dash DVD player with built-in amplifier (22 watts RMS/45peak x 4 channels)
2. Fits 2-DIN size.
3. Multi-angle adjustable front panel;
4. LCD video screen with touch screen controls;
5. Compatible with DIVX/DVDs, DVD-RS/RWS DVD+RS/+RWS, CDS, CD-RS/RWS, MP3/WMA discs, JPEG, and MPEG1 and 2 files;
6. Compatible with PAL/NTSC/SECAM /SECAM _L TV System; 100 stations preset;
7. Compatible USA/Europe/Russia/Japan Radio system;
8. SupportSDCard /USB/iPod/AUX port;
9. Manifold preset audio/video effect;
10. AUX audio input from front panel;
11. 1 Way video input
12. 1 Way Rear-view camera input;
13. 2 way Audio output;
14. 2 way video output;
15. 1 way super-woof audio preamp output;
16. Wireless remote control;
17. 18 FM/12 AM presets;
18. RDS Built-in;
19. Compatible with Bluetooth adapter for hands-free calls with compatible cell phones, Phone-book Manage function.

Special function:
1) Built-in GPS navigation of outside connection, windows CE 5.0 system.
2) Built-in CAN BUS car connection control.
3) Set external remote or steering control function.
4) Built-in CMMB or DVB-T digital TV.
5) Built-in TMC function.