1、【Built-in 3 System】Built-in 3 multimedia systems, can be switched at will: self-contained Android, Apples Car playbox(Phone requires ios 10 above, iPhones 6 above), Android Auto(Phones require Android 11.0 and above) 2、【Enrich Driving Fun】Support playing online video, online musics, online map navigation.Cell phone mirror casting: real-time display of cell phone content, TV casting: playing video without affecting the use of other services on the phone. 3、【Faster and More Stable Signal】5G Wi-Fi signal transmission: 2.4G+5G Wi-Fi signal transmission is faster and more stable. Adopting new upgrade BT 5.0 technology, the connection is faster, the range is farther and the transmission is more stable. 4、【Non-destructive Upgrade】 Continuation of the steering wheel control, knob control, button control, touching screen control (Note: Due to different models, compatibility and operation are subject to the actual effect) 5、【Auto Switch Reverse Camera】Automatically switch to the reverse camera when you operate the gear, without affecting the driving safety.Callable voice assistant, no need to take out your cell phone, directly call the voice assistant to use map navigation, musics, calls and other functions. 6、【Easy Operation and Wide Applicable】USB interface, pluging and playing, applicable to 98% of the cars with the car wired playbox (NOTE:Only suitable for cars with the car wired playbox)