High reliability and stability. Enhance your car performance. Great replacement for your one. Direct replacement,pretty easy to install. Name:Car USB/AUX interface Function: USB/AUX interface panel Cable length: 150cm AUX-8PIN USB Female - USB Male A Interface: -SD/TF Item Type: Cables, Adapters & Sockets Model Name: For Smart 450 AUX USB Function: USB interface panel Applicable models:For Smart 450 (alle Modelle) Radio Function:For Smart 450 (alle Modelle) Radio Gerate Applicable to various models, the original car has a audio with AUX 3.5mm/USB interface Colour: Black material: plastic Package Contents: 1 x USB/AUX interface panel Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real . The measurement allowed is +/- 1-3cm.