1. Can connect external audio source. 2. Backward compatible with Bluetooth 2.0 3.0 4.0 versions 3. Support MP3 audio format as well as WMA, WAV and other high-quality audio formats. 4. Great experience to enjoy music from your phone when driving. 5. Easy to install. 6. Black: Ground GND; Red: 12V ACC 7. Fits for Mazda 3 Mazda 6 M3 M6 Pentium B70. Mazda 6 2006 to up only. Mazda 3 2006 to up ONLY. Mazda 5 2006 to up ONLY. Mazda 2 2006 to up ONLY.Mazda MX5 2006 to up ONLY.Mazda RX8 2006 to up ONLY.(The AUX line in 2006 after the models and panel with the MEDAI key can be used.)
