This 12.3 inch 1920*720 QLED car screen Android car radio stereo replacement upgrade with 4G RAM 64G ROM Large capacity, DUDU OS 3.7 new custom smarter system, more intelligent innovation,6 layouts switch at will, plug-in free choice [Wireless Carplay& Android Auto] The wireless carplay feature is a great improvement over the stock radio, no longer need to connect up a cable to have the CarPlay kick in and can just enjoy the drive or have the navigation pop-up without having to take out phone and then open up applications, you can make calls, send/receive sms, listen to music/podcasts in CarPlay or Android Auto while you focus on driving [Qualcomm 3031 chip Bluetooth 5.1] The Android head unit with Qualcomm 3031 Bluetooth chip it has low electric power consumption, faster transmission speed. No delay of calls and music playing, strong anti-interference and more stable signal The DUDU5 Android head unit supports a line through the TYPE-C touch-screen convenience screen, it can navigate on the front screen and watch movies on rear screen at the same time, Note: type-c extension cable need to buy separately