Origin and Safety Assurance: Crafted with precision in Mainland China, this smart steering wheel controller is free from high-concern chemicals, ensuring a safe and reliable user experience. Its construction adheres to stringent quality standards, providing peace of mind for health-conscious consumers. Intuitive Design with 7 Keys: Equipped with seven intelligently designed keys, this controller allows for effortless control over your vehicle's audio and party settings. The LED buttons not only add a modern touch but also enhance visibility for easy operation during night drives. Versatile Wireless Connectivity: This steering wheel controller uses advanced wireless technology to connect with your vehicle's audio system. It offers a seamless and cord-free experience, allowing you to adjust volume, skip tracks, and manage calls without taking your hands off the wheel. Enhanced Driving Experience: By integrating control directly onto your steering wheel, this device ensures that your focus remains on the road while still enjoying full control over your car's entertainment features. It's an essential tool for those who value convenience and safety while driving. Easy Installation and Compatibility: Designed to be user-friendly, this steering wheel controller can be easily installed without professional help. It is compatible with a wide range of vehicles, making it a versatile choice for drivers looking to upgrade their car's functionality. Description/Features: Ensure your car DVD player is compatible with the product before installation. It should have a steering wheel control function and a corresponding control wire labeled as key1, key2, swc1, swc2, AD1, AD2, etc. For connection, match the decoding white control line with the pickup machine control line. If experiencing delays with navigation turned off, connect the red power cable