Using Bluetooth main control chip, Bluetooth 5.0 version, enabling high-speed transmission without distortion and delivering high-definition sound quality. The car Bluetooth music player supports wireless music streaming, compatible with older and modern car audio systems.Many users face difficulties playing music in their vehicles. If the car lacks an auxiliary input port, listening to music may require burning CDs, which is slow and inconvenient. Some cars have an external audio input, but require long signal cables that clutter the center console. With Bluetooth transmission, users can eliminate cable clutter and enjoy seamless wireless audio.In todays streaming era, online music apps offer convenience and real-time updates. This product is designed to fit various car models and comes with different connectors based on the interface available behind the car stereo. It supports a wide voltage range, ensuring compatibility across different vehicle electrical systems.Compatible with rear-mounted CD players and navigation systems that have an AUX IN port. If your car has a male AUX input at the back, simply plug in the adapter to enable Bluetooth audio playback.Bluetooth version: 5.0 Product voltage: 12V Color: As shown Material: Tin-plated copper Package Contents: 1 x Aux Adapter (Other items not included)Note: Light reflection and differences in display screens may cause slight variations in color between the product image and the actual item. Measurement may vary by +/- 1-3 cm.