Made of material and practical to use Supports TF card, USB flash drive, microphone, Bluetooth 5.0, and HI-FI sound Operates on all car radios with CD changer port, commonly known as IP-Bus The Bluetooth module is designed for Pier IP-BUS Radio Simply plug the black connector into the socket at the back of your radio Insert this unit 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 and select AUX on your radio to play audio through car speakers Listen to music from your phone, tablet, or MP3 player (devices must have Bluetooth functionality) Compatible with all P-series devices, including: DEH-P2500R, DEH-P2600R, DEH-P3500MP, DEH-P6600R, DEH-P9600MP DEH-P3100, DEH-P4100 for SD, DEH-P5100, DEH-P7100BT, DEH-P8100BT DEH-P88RS-II, DEHP88RS, etc Color: As shown Material: Plastic Package Contents: 1 x Audio Cable (appearance may vary slightly due to different production batches, does not affect usage) Only the above items included; other products not included Note: Lighting and display differences may cause slight color variations between the image and actual item. Measurement error allowed is +/- 1-3 cm