1、Bluetooth module designed for Pioneer IP-BUS ports. 2、Just connect the 12-pin connector on the back of the radio. 3、Simply plug it into the back of the radio, then connect the red wire to 12V +, and the black wire to 12V-. 4、Select Aux from your radio and you can use your phone to play music through your car speakers. 5、You can listen to music on your phone, tablet and mp3 (must have Bluetooth). Features: Bluetooth module designed for Pioneer IP-BUS ports. Just connect the 12-pin connector on the back of the radio. Simply plug it into the back of the radio, then connect the red wire to 12V +, and the black wire to 12V-. Select Aux from your radio and you can use your phone to play music through your car speakers. You can listen to music on your phone, tablet and mp3 (must have Bluetooth). Specification: Condition: Brand New Color: Black Material: ABS Bluetooth: 4.1 + EDR Compatible Model: Fit for Pioneer Wireless IP-BUS input Wiring: Red Wire to 12V +, Black Wire to 12V- Fitment: Fit for DEH-P 2500 R Fit for DEH-P 2600 R Fit for DEH-P 3500 MP Fit for DEH-P 6600 R Fit for DEH-P 9600 MP Fit for DEH-P 3100 UB Fit for DEH-P 4100 SD Fit for DEH-P 5100 UB Fit for DEH-P 7100 BT Fit for DEH-P 8100 BT Fit for DEH-P88RS-II Fit for DEH-P88RS Package List: 1 x Car Bluetooth Adapter Note: Make sure the adapter is compatible with your vehicle before purchasing.