Bluetooth version 5.0 provides high-speed transmission with no distortion, delivering sound quality that meets high-definition standards. Car Bluetooth music players offer wireless music streaming and are designed for both older and newer car audio systems. Many users find traditional music playback methods inconvenient, especially when vehicles lack auxiliary input ports, requiring the use of CDs. CD audio sources are slow to update and impractical. Some cars have external audio input ports, but using them often involves routing long signal cables across the center console, creating clutter and inconvenience. Bluetooth transmission eliminates cable mess and enables seamless wireless connectivity. In today’s streaming era, online apps provide instant access to updated audio content. This product is designed to fit various car models and comes with different connectors to match the interface on the back of the car stereo. It supports a wide voltage range to ensure compatibility across different environments. When a call comes in, it can be answered directly through the device with clear audio performance. Bluetooth name: JieRui-BT 5908 Bluetooth version: 5.0 Product voltage: 5-12V Microphone cable length: 1.5 meters Fitment: For (E60): 5 Series: 525i, 525it, 528i, 528it, 530i, 530it, 540i, 540iT & M5 (Sedan and Touring) 2004-2010 For (E63) (E64): 6 Series: 630Ci, 630i, 645ci, 650i, M6 (Coupe and Cabriolet/Convertible) 2003-2010 For (E65) (E66): 735i, 735li, 740i, 740li, 745i, 745li, 750i, 750li, 760i, 760li 2002-2008 For 1er Series (E87, E88, E81, E82), Series 3 (E90-E91-E92) For MINI 2004-2010 Color: Black Material: ABS Package Contents: 2 x Bluetooth adapter 2 x microphone Note: The package includes only the items listed above. Other products are not included. Note: Light reflection and differences in display screens may cause slight variations between the color of the item in the photo and the actual product. Measurement may vary by +/- 1-3 cm.