Support Microphone, Bluetooth 5.0, HI-FI Sound. Operates on all Pioneer Radios with CD changer port, commonly known as IP-Bus. The Bluetooth module is designed for Pioneer IP-BUS Radio. Plug the black connector into the socket at the back of your radio. Insert this item into the back of the radio, then connect the red wire to 12V+ and the black wire to 12V-. Pair your phone or tablet with the Bluetooth module. Select Aux on your radio to play audio from your phone through the car speakers. Listen to music from your phone, tablet, or MP3 player (devices must have Bluetooth functionality). Compatible with all devices in the P-series, for example: DEH-P2500R, DEH-P2600R, DEH-P3500MP, DEH-P6600R, DEH-P9600MP, DEH-P3100, DEH-P4100SD, DEH-P5100, DEH-P7100BT, DEH-P8100BT, DEH-P88RS-II, DEH-P88RS, and similar models. Color: Black Material: ABS Package Contents: 1 x Audio Cable Adapter 1 x Bluetooth Microphone Note: Light and display differences may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.