?Customer Service and Technical Support?We offer 30-day Money-Back, 12-month Replacement, life-time Technical Support. Please feel free to contact us if you have any questions, we will reply to you within 18 hours and help you solve the problem. ?How to get sound from the car speaker?This 10.26-inch touch screen car stereo with built-in speaker, but if you want louder sound, you can transmit its sound to the car speaker in two ways: ?Using an FM transmitter, you can set the same frequency on the device and the car radio. ?Using an AUX cable, if there is an AUX interface on the car, connect it to the original auxiliary interface on the car through the AUX cable. ?Easy Installation & Fit All Different Car?Plug and play directly with dashboard via connect cigarette lighter.You don't need to disassemble your car's console, keep your car original radio, perfect coexistence.The car radio with screen is suitable for most motor vehicles, such as cars, trucks, vans, buses, pickups,sedans, RVs, campers, and more. ?Portable CarPlay with Front and Rear Camera?This apple car play screen includes a wired backup camera for parking assistance, automatically displaying the rear view when in reverse. It also has a front camera to record driving footage, along with built-in DVR to save and playback recordings on the display. The 64GB card allows media playback. ?GPS Navigation with Online Map Support?Portable car stereo wireless apple carplay screen connects to your phone's WiFi hotspot to access real-time online maps like Waze, Goo-gle Maps, and more. Easily search destinations with voice commands or typing. Save frequent routes, get live traffic alerts. 2023 Newest Android Portable Car Stereo?This wireless android auto screen for cars with newest Android operation system, Octa Core with 2G RAM and 32G ROM, supports WiFi and navigation, you can download many apps on this Android head unit, like Youtube, Spotify, Waze, Tiktok, Pandora ect.