Wanted a car radio have what can, lower other USB and SD card was important to me, as well as the connection of my rear-view camera that everything worked quite well, but only after the first reset but that you should do so anyway after the first start. DVD could I play everything just fine. Unfortunately, the radio does not play mp4 file, I would have wanted me. However, the main reason why I was so eintäuscht of the radio, and I sent it back today, that is the radio reception, which is probably the most important to a car radio, so Mega-bad in my opinion, it is useless, you could only are properly listening to the radio while driving, it was impossible noise and constant interruption and now and then the volume was nearly full stop what I could not tell me, but is certainly connected with the traffic function, although not aired. But otherwise not a bad radio only the coverage of the radio part is unacceptable. Sure some are now saying it is because of my antenna but this I can connect it's alright, I'm also in the trade, and that is why I also do not believe that the recommended antenna booster that will lead. The BT function of the radio and connect to the phone I have not tested and can not say anything. Oh one more thing, the frame of the apparatus thinks the Silberen metal mounting frame is not completely off, with me flash the silver corners by but that I would be able to live, a shame really that the reception was so bad, I would have kept it very much.