Features: 1. 12-pin Bluetooth AUX-IN adapter, compatible with RCD210, RCD300, RCD310, RNS310, and MFD2 systems. 2. Compact and lightweight design for easy portability and storage. 3. Made of high-quality ABS material for durability, wear resistance, and strength. 4. Connects your phone or tablet via Bluetooth; select Aux on your radio to play music through the car speakers. 5. Designed to meet standard specifications with strict factory quality control. Specification: Item Type: Bluetooth AUX-IN Cable Material: ABS Fitment: Not compatible with V models or RCD200 Compatible with: Delta 6/7, Premium 6/7, R100/110, RCD300/500, RCD-210/310/500, RNS-300/310/510, RNS MFD2 CD/DVD systems Also compatible with: SEAT Radio CD-1/2/3, PN-1/3, RNS-4, SE359/360 Wiring: - Red wire connects to positive terminal - Black wire connects to negative terminal - Signal connector attaches to the radio signal interface Note: Your CD stereo must have an "AUX" input button Package List: 1 x Bluetooth AUX-IN Adapter 1 x Microphone