Have ordered as a replacement for my previous car stereo (Sony XAV-65 2DIN Moniceiver) this device that I have returned because of this every 20-30 sec. in MP3 mode Music dropouts of 1-2 sec. would have. The traffic was constantly interrupted and the MP3 playback even though I had this feature turned off several times. Des öffteren also came the "PI Seek" which is obviously a traffic search, which also interrupted the MP3 playback for several minutes! In winter, often worked the volume control is not (neither on the car radio still on the steering wheel)! After 8 months it gave me and sent back the unit! Something else is this device "Pioneer FH-X720BT", although it has no full screen and no DVD's can play but there playing MP3's from a 32GB mini stick (without music dropouts) in a very good quality from. Recognizes all folder (1500 max.) And all the tracks (15000 max.). Radio reception is also very good. The MIXTRAX EZ function the me for longer interressierte, I also like very good. The device makes a matter of transitions between songs, you can order these distances 1-3min. choose how often the item to be changed. The transitions are (partially) surprisingly good, the BPM level is adjusted, the song is suppressed, and there are even transition effects such as Flanger, Chorus, Reverb, etc. used! But you can of course also play normal CD's. In addition, the device also has a hands-free via Bluetooth for mobile phone's 2 incl. Microphone, but I have not tried! And there is also an app for Android function but only from Android 4.3! Apple also (but I did not!).