? Best Customer Service?: We offer a 30 days money back . Detailed user manuals, FAQ’s, and specific installation tutorials are available. If you have any questions with the product, please feel free to contact us that our professinal tec team will reply within 24 hours. ? Modes of Audio Output?: The carplay stereo has a built-in speaker, Let you experience the shocking stereo sound effect brought by car audio. but if you want louder sound,you can transmit it to the car speaker, You can also use AUX, FM Transmitter, and a built-in speaker to get audio.plug it into the original auxiliary interface in the car through the AUX cable. ?Car Stereo with Backup Camera?This Touchscreen Automatic Multimedia Player comes with a free rear view camera supporting night vision; Simply shift into reverse and the system powers on the camera automatically, for optimal visibility no matter the weather conditions, for a safer and time-efficient experience!. ?Plug and Play & HD Mirror Connection?Plug and Play. Supports Android/IOS mirroring function, you can connect your phone to the car audio system via WiFi to easily connect and sync content (video, GPS, etc.). You can also mirror movies for kids to watch on long trips. ?Wireless & Wired Apple CarPlay/Android Auto? Connect your phone to your car radio via bluetooth and wifi for wireless carplay and android auto, and you can access your phone's music, navigation, messages and other features while driving safely. It also supports voice control via siri or google assistant.This touch screen car radio also supports wireless connection, which resolves the issue of certain models that are unable to. Providing you with a safer and more comfortable driving experience. ?Wireless Portable Car Stereo Fits 99% Vehicles? Touch screen car stereo is equipped with a sturdy holder, which can be installed on dashboards or anywhere. You don't need to disassemble the car console, keep the car's original radio, and coexist perfectly. So this Double Din Car Stereo is suitable for 99% of vehicles, such as Car, Truck, Caravan, Van, Trailer, Camper and you no longer need to spend high installation fees. NOTE: This device cannot be controlled by a steering wheelor knob.