?More Function?Button Key support a variety of color display, you can choose your favorite color by setting. FM/AM Radio. Support split screen, Full AV Output. Support for two applications to be displayed on the screen at the same time. If You meet any problems with the machine, please kindly feel free to let me know, We will try our best to solve the problem. ?MORE ENTERTAINMENT OPTIONS?:While the android head unit doesn't have a CD/DVD player, you still have plenty of entertainment options that will make every drive exciting. 2 USB port allows you to listen to your music or video file via USB or connect your smartphone to access your music by Bluetooth. The apple carplay stereo has built-in FM/AM Radio and pre-install Google Play Store. ?APPLE CARPLAY & ANDROID AUTO ?-- The car stereo with apple carplay is the easiest way to add a large screen and new technology into your car. Be smart about using your phone in your car and take advantage of the compatibility with both Wired or Wireless Apple CarPlay and Wired Android Auto. After connecting your smartphone via the charging cable or Bluetooth, you get your music, driving directions, and phone calls controlled from the 9-inch touchscreen. Keep driving safely. ?Newest Operating System?:Octa-Core processor, 2GB memory and 32GB ROM with more compatibility, fast and smooth running speed, can ensure that the application runs efficiently on the device. ?Applicable Models?:Fits for BMW E46 4-door Sedan (1998-2005), E46 2-door Coupe (1999-2006),E46 2-door Convertible (1999-2006), E46 5- door Touring (1999-2005) , E46 3-door Hatchback (2000-2004), E46 M3 (2000-2006) , For Rover 75 (1999-2005), MG ZT (2001-2005) ; If your car has Original external amplifier system (such as harman kardon, Bose, JB L etc.), you need to purchase another amplifier extension cord.