The car bluetooth music player has wireless music transmission. If the audio input port is not reserved, it is necessary to burn the disc, and the of the disc is updated slowly, which is inconvenient. Some cars are equipped with an external audio input port, and listening to music also requires pulling a long signal line, which is inconvenient to drag in the center console. If you use bluetooth transmission, you can say goodbye to messy, but you can also online. In the streaming media era, online various APPs are quite convenient, and the audio source is updated in time. Our cable adopts bluetooth main control chip and audio digital processing chip to that the audio signal transmission is not distorted, and the sound quality can reach the high definition standard. This product is equipped with connectors for plugging according to the interface reserved behind the original car host. It uses a wide range of voltage input to adapt to different environments. Colour:As Shown Material:plastic 1. Plug & Play: installed via original CD changer port, easy and fast, perfectly integrated with the car. 2. Wireless A2DP Playback: easily streaming music of bluetooth devices into factory car stereo system. 3. Hi-fi Sound Quality: Connected to car stereo via wire harness, no interference and no loss of sound quality, rivaling original CD sound. 4. Allow you to easily have popular configuration of advanced car stereo, is the for safe driving and enjoying digital music. Specification: 1. Name: AUX Cable Adapter 2. Model: C71518 3. Voltage Input: 5-12V 4. Operational Current: 600mA 5. Standby Current: 20mA 6. Operating Temperature: -35℃-+75℃ 7. Resolution: 20bit 8. Total Harmonic Distortion: 0.05% 9. SN Ratio: 90dB 10. Frequency Response: 20HZ-20KHZ 11. bluetooth version: 5.0 12. bluetooth Name: JieRi-BT 5608 Due to different batches, there may be differences in product appearance and printed text, which not affect use Package Contents: 1 * Bluetooth 5.0 Audio Adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.