Features: 1.Allows you to hear music from your phone/pad/MP3 (They should have bluetooth function). 2.Just plug the connector into the socket back of your radio, provides more convenience for you. 3.Compact size, lightweight and portable, simple to carry and store, more in line with your needs. 4.Made of ABS material with the features of sturdy and durable, gives long service life. 5.Fit for Delta 6/7, for Premium 6/7, for R100/110, for RCD300/500, for RCD310/500, for RNS?300/310/510 radio models. Specification: Item Type: Bluetooth AUX?IN Cable Material: ABS Color: Black Fitment: (do not fit for RCD200 ): Fit for Delta 6/7, for Premium 6/7, for R100/110, for RCD300/500, for RNS?300/310/510, for RNS-300/310/510 x , for RNS MFD2 CD/DVD. Fit for Seat Radio CD-1/2/3, PN-1/3, RNS-4, SE359/360. Wiring Instructions: Red wire connects to positive. Black wire connects to negative. The signal receiving head connects to the radio signal interface. PackageList: 1 x Aadapter Cable 2 x Wrench Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Dadangjia