Operates on ALL pioneer radios with CD changer port commonly known as for IP-Bus: The bluetooth module is made for Pioneer IP-BUS Radio.Just plug the black connector into the socket back of your radioYou can just Insert this item to the back radio then connect the red wire to 12Vand, the black wire to 12V-.Match your phone or pad to bluetooth module.and choose aux from your radio, then you can use your phone to through car speakers.You can hear music from your phone or pad or mp3(They should have blueooth function).Wireless AUX Audio CableFeatures: new and high qualityMade of high quality material, and practical to useSupport TF card, USB flash drive, microphone, bluetooth 5.0, HI-FI sound.Specifications: Compatible For: Compatible with all devices of the P-series, for example: DEH-P2500 R, DEH-P2600 R, DEH-P3500 MP, DEH-P6600 R, DEH-P9600 MPDEH-P3100 , DEH-P4100 SD, DEH-P5100 , DEH-P7100 BT, DEH-P8100 BTDEH-P88RS-II-DEHP88RS, etcPlease make sure that our parts can fit your car. our picture compare with your old part number, , sizebefore you buy it, Our Vehicle Application is just for reference, can not 100 percent . parts is important information.Material: plasticcolour: BlackPackage Contents: 1 x Bluetooth adapterOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.