Welcome to our store! 1. Perfect Fit: Bluetooth aux input cable is a replacement for RCD310 RCD510 RNS510, perfect match. 2. High-Quality Material: The AUX input adapter cable is made of high-quality ABS material, wear-resistant, lightweight, and has a long service life. 3. Function: Match your phone or pad to the 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. Easy Installation: Just plug and play, easy to install, convenient to use, saves time and energy. Item Type: Bluetooth AUX IN Cable Material: ABS Scope of Application: Replacement for RCD310 RCD510 RNS510 (not suitable for RCD200) Replacement for Delta 6/7 Replacement for Premium 6/7 Replacement for R100/110 Replacement for RCD300/500 Replacement for RCD-210/310/500 Replacement for RNS-300/310/510* Replacement for RNS MFD2 CD/DVD 1 x Bluetooth AUX IN Cable 1 x Microphone If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We do our best to provide you with satisfactory customer service.