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 radio You can just Insert this item to the back radio then connect the red wire to 12V+, 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 play music through car speakers. You can hear music from your phone/pad/mp3(They should have blueooth function).Wireless AUX Audio Cable Features: and high quality Made of high quality material, durable and practical to use Support 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 MP DEH-P3100 UB, DEH-P4100 SD, DEH-P5100 UB, DEH-P7100 BT, DEH-P8100 BT DEH-P88RS-II-DEHP88RS, etc Please make sure that our parts can fit your car. our picture compare with your old part number, surface , size before you buy it, Our Vehicle Application is just for reference, can not 100% guarantee. parts is important information. Material: plastic colour: Black Package Contents: 4 x Bluetooth adapter