Fangrui Product Details This Module Is Specially For Pioneer Radio. Function Via Bluetooth-enabled Devices No Functional Limitations Of The Car Radio Allows You To Connect An External Audio Source Extend The Existing Radio To The Wireless Music Receiver. Music Playback 10 M Distance Is Possible. 11-pin Ip -bus Plug Into The Cd Player Jack, Mobile Phone Is Connected With The Bluetooth Module. Low Power Consumption And Long Working Time. Suitable For All Mobile Phone And Tablet Pc With Bluetooth Function. Just Plug The Connector Into The Back Of The Radio,and Connect The Two Wires To 12v Power. Pair Your Phone With Bluetooth Module And Turn On Auxillary. You Can Enjoy Music From Your Phone Tablet Pc Music Through Car Speakers(they Should Have Blueooth Function). Please Make Sure The Socket Is For Audio Input. Type:bluetooth Aux In Adapter Number Of Pin:11 Pins Installation: 1. Bluetooth Module Connector:12v 2. Red Cable:12v + (positive) 3. Black Cable:12v - (negative) Compatible For All Devices Of The Deh-p Series Radios With 1