Packing list:box * 1, product * 1, data cable * 2, product manual * 1. Quality assurance, service after-sales - Compared with competing products, Carlinkit CarPlay AI Box has a more complete quality assurance mechanism and user support system, so if you encounter any problem, no rush to give up or return the product, just contact us. which supports 90-day return and exchange for machines; 365-day hardware warranty (non-human damage); free lifetime software upgrade and technical service. ?Special case?Currently BMW series is not compatible for the time being. Not recommended to buy. Nissan/Changan is currently not highly compatible, Please purchase with caution. These models are being optimized, so if you want to purchase, please pay attention to the latest information. More exquisite design and more practical - Compared with the competition, Carlinkit CarPlay AI Box is beautifully designed with a delicate, compact and lightweight appearance, which can be easily installed in the car without taking up too much space. The internal structure is tight and the function configuration is more comprehensive to protect your driving with color and smart travel. Smarter and more practical - Compared with competing products, Carlinkit CarPlay AI Box has more humanized function settings, such as voice recognition, navigation search, cell phone control, etc. It supports a variety of navigation, music, voice, video and other applications, providing more personalized for your smart driving services. More compatible and smarter - Compared with the competition, Carlinkit CarPlay AI Box has higher compatibility and intelligence. It not only supports wireless CarPlay but also can turn wireless Android Auto, matching Apple and Android phones, and supports more than 600 kinds of built-in wired CarPlay touch screen cars, making your smart travel more abundant and intelligent. Safer and more reliable - Compared with competing products, Carlinkit CarPlay AI Box with 2.0 GHz 11nm process technology is precisely manufactured with higher durability and reliability, providing you with more stable and safer smart travel security. Faster and more stable - Compared with competing products, Carlinkit CarPlay AI Box adopts Qualcomm Snapdragon 6125 chip with 8-core processor, which is smooth and lag-free and can quickly respond to your commands, providing you with smoother and more stable intelligent travel services. More efficient and powerful - Compared with competing products, Carlinkit CarPlay AI Box has a more powerful memory of 4G RAM and 64G ROM, which can support running a variety of applications at high speed, providing you with a more efficient and smooth smart travel experience. More high-end, more intelligent - Compared with the competing CarPlay adapters, Carlinkit CarPlay AI Box uses the latest Android 12.0 system, allowing you to enjoy a purer, more high-end intelligent travel experience while driving.