This Car CD DVD Player is suitable for cars with wired carplay function(Note:If the car has a wireless carplay function, it's not applicable)Non-touch screen can not be used (for BMW and for Mazda connect2), Works with vehicles factory with wired CarPlay, converts wired to wireless. Gives freedom to use CarPlay and Android Auto features. Once connected, you can connect automatically next time.Upgrade your driving experience. Notes on Use: 1. There is a small murmur when the machine starts (disk reader starts) 2. The first time you connect to the car, the machine will restart automatically 3. When using the box connected to the wireless carplay, the for original-car wired can not be used 4. Non-touch screen can not be used (for BMW and for Mazda connect2) 5. When the machine does not work there will be the following situations: (1) confirm that the for original-car is with line carplay (very few models will need to go to the settings to open the carplay) (2) the USB port connected to the splitter or charging port (need to be connected to the for original-car USB port) (3) Power supply voltage is insufficient, need to connect the power supply auxiliary line. Note:Due to different factory batches, there may be slight differences in appearance accessories, which will not affect usage. Colour:Black Material:Plastic Package Contents: 1 * Wireless CarPlay Adapter 1 * USB Cable 1 * USB Adapter 1 * English instruction manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.