Features: 1.Perfect Fitment: Bluetooth aux in cable is replacement forRCD310 RCD510 RNS510, perfect matching. 2.High Quality Material: AUX in adapter cable is made of high quality ABS material, wear resistant, lightweight and have a long service time. 3.Function: Match your phone or pad to bluetooth module, and choose Aux from your radio, then you can use your phone to play music. 4.Original Design: According to the original design, professional manufacturing and not easy to damage. 5.Simple Installation: Just plug and play, simple to install, convenient for using, save your time and energy.Specification:Item Type: Bluetooth AUX IN Cable_x005F_x000D_Material: ABS_x005F_x000D_Application Range: Replacement for RCD310 RCD510 RNS510_x005F_x000D_(do not fit for RCD200)_x005F_x000D_Replacement for Delta 6/7_x005F_x000D_Replacement for Premium 6/7_x005F_x000D_Replacement for R100/110_x005F_x000D_Replacement for RCD300/500_x005F_x000D_Replacement for RCD-210/310/500_x005F_x000D_Replacement for RNS-300/310/510*_x005F_x000D_Replacement for RNS MFD2 CD/DVD