Portable Carplay & Android Auto: Support Wireless Carplay & Android Auto, support to use smart voice assistant or touch the display, you can get directions, make calls, listen to music and sync the video etc. Bluetooth Hands-free: When you're driving, this carplay device is paired with your phone via Bluetooth, and hands-free calling, music playback, and control all work smoothly. Easy Installation:With Self-adhesive and Suction bracket, easy install to your dashboard. Suitable for 12-24V car types. 3 Ways Connection: There 3 ways to get connect to the car stereo include Bluetooth, Wired and Wireless. Notes: FM only has the function of frequency matching, and does not have the reception of radio signals and playing radio signals. Two ways to Get the Sound:1. Conenct audio port of this portable carplay to AUX port of your factory car(Recommend)2. Turn on the 'FM' and adjust the frequency to be consistent with the car radio frequency to play car stereo sound.