SWT Car Link is an application that supports mobile phones to control the car player and view car player information. The function of the car player button can be realized by the mobile phone, and the information of each function of the car player can be viewed. Special feature: 1. The radio interface is beautiful and simple, easy to operate ; 2. USB, SD player interface is intuitive and convenient, with ID3 information at the same time ; 3. The bluetooth interface is convenient and fast, the s