Features: and high quality Made of high-quality material, durable and practical to use Functions via Bluetooth-enabled devices No functional limitations of the car radio Allows you to connect an external audio source Stream audio from your smartphone to your car stereo Pair your phone with the Bluetooth module and select Aux on your radio Enjoy music from your phone through car speakers Insert this item into the back of the radio, connect the red wire to 12V+, and the black wire to 12V- Connect your phone or tablet to the Bluetooth module and select Aux on your radio to play music through car speakers Bluetooth 5.0 version, compatible with Bluetooth 2.0, 3.0, and 4.0 Supports commonly used audio formats including MP3, WMA, WAV, and FLAC Supports high-quality audio format decoding Plug into the CD player jack (confirm compatible socket), connect your mobile phone to the Bluetooth module, select Aux audio source, and play music from your phone Note: Please confirm the interface on the back of your CD player before purchasing Specifications: Material: Plastic Cable Length: 17.5cm (Approx.) Black: GND- Red: 12V ACC+ Bluetooth Module Connector: 5-12 Compatibility: Bluetooth Streaming (A2DP) Interface for Mercedes Benz E/CLS/SLK 2004-2008 Warm Tips: Fitment is for reference only. Please ensure the connector is compatible with your car before ordering Package Contents: 1 x Bluetooth Adapter Aux Cable Note: 1. The actual color of the item may vary slightly from the pictures shown due to factors such as monitor brightness and lighting conditions. 2. Please allow slight variation due to manual measurement.