Support Microphone, Bluetooth 5.0, HI-FI Sound. Works on ALL Pioneer radios with CD changer port commonly called IP-Bus: The Bluetooth module is designed for Pioneer IP-BUS radio; black connector into the back socket of your radio; You can simply insert this item into the back radio, then connect the red to 12V+, the black to 12V-. Match your phone or pad to the Bluetooth module. and choose Aux from your radio, to play music through car speakers. You can hear the music from your phone/pad/mp3 (should have blueooth function). Compatible for: for all P series devices, for example: for DEH-P2500 R, DEH-P2600 R, DEH-P3500 MP, DEH-P6600 R, DEH-P9600 MP; for DEH-P3100, DEH-P4100 SD, DEH-P5100, DEH-P7100 BT, DEH-P8100 BT; for DEH-P88RS-II-DEHP88RS, etc. color: black Material: ABS Package Contents: 3 x Audio Cable Adapter 3 x Bluetooth Microphone Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a