Description: Adopted version 5.0, with better compatibility, stability and response speed than the previous version. This adapter supports hands-free communication and releases your hands to make driving safer. Support TF Card, USB Flash Drive, Microphone, 5.0, HI-FI Sound. Operates on for Pioneer Radios with CD changer port commonly known as IP-Bus. The 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-. Specification: Size: Approx. 55x56x20mm/21.65x22.04x7.87inch Color: Gray Material: Plastic 5.0 Voltage: 12V Compatible for 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. Package Includes: 1 x Adapter Note: 1.Please allow 1~3 cm error due to manual measurement, thanks. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand, thank you.