Features: The bluetooth-compatible main control chip is used to reserve the AUX Radio input function through the original car. The car bluetooth-compatible music player has wireless music transmission function, for the old and current car Radio. Because many consumers find that listening to music is very troublesome. If there is no Radio input port, you need to burn the disc, and the disc is slow to update, which is inconvenient. In many old stereos, the original car has reserved AUX external input function, so this product canuse the function to support online music playback. In the streaming media, online APPs are quite convenient, and the sound source is updated in time. Specifications: Material: ABS Transmitter Distance: 15m Frequency Response: 20Hz-20KHz Frequency Range: 2.402-2.480GHz Distortion rate: 1% Current: 20mAh bluetooth-compatible name: JieRiBT 5908 bluetooth-compatible version: 5.0 Product voltage: 12V Microphone Length: 150cm Fit for P99, P01 ,DEHP 2500 R, DEHP 2600 R, DEHP 6600 R, DEH-P88RS-II, DEH-P88RS, etc Note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1Set Car Stereo Adapter