Connect via Bluetooth-enabled devices No impact on car radio functionality Enables external audio source connection Stream music from your smartphone to car stereo Pair phone with Bluetooth module and select Aux on radio Enjoy phone music through car speakers Compatible with most phones and tablets (Bluetooth required) Bluetooth 4.0, backward compatible with 2.0/3.0 Supports MP3, WMA, WAV, FLAC, and high-quality audio formats Supports DSD large-capacity transmission Simple installation Compatible models: 2004-2010 (E60) 5-Series: 525i, 525it, 528i, 528it, 530i, 530it, 540i, 540iT & M5 (Sedan/Touring) 2003-2010 (E63/E64) 6-Series: 630Ci, 630i, 645ci, 650i, M6 (Coupe/Cabriolet) 2002-2008 (E65/E66): 735i, 735li, 740i, 740li, 745i, 745li, 750i, 750li, 760i, 760li Also fits M-ASK, ASK-CD, 1/2 Series (E87, E88, E81, E82), Series 3 (E90-E91-E92) Specifications: Voltage: 4.5V-14.6V DC Operating temp: -35��C to +75��C DAC Resolution: 20bit THD: 0.05% SN Ratio: 90dB Frequency: 20Hz-20kHz Connector: 12Pin Color: Black Material: Plastic Package includes: 1 �� Bluetooth Adapter Note: Color may vary slightly due to lighting/display differences. Size tolerance: ��1-3cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Dadangjia