Car Dash Mount Installation USB AUX 1/8" 2rca Extension Data Av Cable Waterproof Connector: USB A-type port+2*3.5mm RCA audio Plugs + USB A-type male High speed 2.0 USB Extension Lead Connects devices that use USB Type A ports/RCA port It's compatible with both USB 1.1 (standard) and USB 2.0 (high-speed). This product is designed for in car use only.Use this product to extend your radio's RCA audio-in and USB ports to vehicle's dashboard, center console or other location.Use this adapter set to convert RCA audio-in port to 3.5mm audio socket.USB A-type port will provide high speed data transfer and device charge power.