Features: 1. Bluetooth 5.0 technology, backward compatible with Bluetooth 2.0, 3.0, and 4.0. 2. Supports MP3, WMA, WAV, and FLAC audio formats. 3. Enables stable audio transmission and high-fidelity sound quality. 4. Pair your smartphone or tablet with the Bluetooth module, then select AUX input on your car radio to play audio through the vehicle’s speakers. 5. Allows wireless audio streaming from Bluetooth-enabled devices including smartphones, tablets, and MP3 players. 6. Supports hands-free calling with clear audio. Plug-and-play design for easy installation and use. Item Type: Bluetooth AUX Adapter Material: ABS Voltage: DC 12V Bluetooth Version: 5.0 Microphone Cable Length: Approx. 150 cm (59.1 in) — manual measurement; slight variation possible Compatibility: - BMW 5 Series (E60): 525i, 525iT, 528i, 528iT, 530i, 530iT, 540i, 540iT, M5 (Sedan and Touring), 2004–2010 - BMW 6 Series (E63/E64): 630Ci, 630i, 645Ci, 650i, M6 (Coupe and Convertible), 2003–2010 - BMW 7 Series (E65/E66): 735i, 735Li, 740i, 740Li, 745i, 745Li, 750i, 750Li, 760i, 760Li (including diesel models), 2002–2008 - Compatible with M-ASK, ASK-CD, and CCC infotainment systems - Compatible with BMW 1 Series (E81, E82, E87, E88) and 3 Series (E90, E91, E92) Installation: 1. Locate the pin socket on the back of the car radio. 2. Insert the adapter and connect the power cable. Package Includes: 1 × Bluetooth AUX Adapter 1 × Microphone