Features: 1. Supports Bluetooth 5.0 protocol and is compatible with Bluetooth versions 2.0, 3.0, and 4.0. Designed to fit MMI 3G, Q5, A4L, A6L, Q7, A5, and S5. 2. Supports MP3, WMA, WAV, and FLAC o format decoding for high-quality sound. Provides stable connection and easy plug-and-play installation. 3. Pair your mobile phone or tablet with the Bluetooth module, then select AUX on the radio to play music from your device through the car speakers. 4. Enables high-fidelity o transmission with support for DSD large-capacity data transfer and stable device connectivity. 5. Play music from your phone, tablet, or MP3 player (devices must have Bluetooth capability). Supports efficient music streaming via Bluetooth 5.0. Allows hands-free calling with clear o quality. Specification: Item Type: Auto Bluetooth Cable Material: ABS Voltage: DC 12V Bluetooth: Bluetooth 5.0 Microphone: Yes Cable Size: Approx. 150cm / 59.1in (manual measurement may vary) Fitment: Compatible with MMI 3G, Q5, A4L, A6L, Q7, A5, S5