Fangrui Product Details Fangrui Product Details Regarding The Equipment Requirements For The Machine: This Product Is Only Suitable For Factory Built-in Wired Carplay/android Auto Notice: This Android Box Is Only Suitable For The Car Radio With Wired Carplay Or Wired Androidauto (the Car Only Has Wired Carplay, So It Can Only Be Converted To Wireless Carplay. If It Only Has Wired Android, It Can Only Be Converted To Wireless.) Android , If The Car Has Both Wired Carplay And Android Auto, It Can Be Converted To Wireless) Product Main Functions: Wired Android Auto To Wireless Android Auto If You Need To Switch From Wireless Carplay To Wireless Android Auto Functionality Please Use Your Android Phone To Connect The Bluetooth Name Of The Device. After The Connection Is Successful, Wait For The Device To Automatically Reset And Restart. The Process Take About . Keep It Powered On. Carplay Switch To Android Auto Functionality. This Way You Can Use Your Android Phone To Connect To The Wireless Android Auto Power Input: Usb 5v Power Input:5v+0.2v--1.