Features: 1.Bluetooth 5.0 version, backward compatible with Bluetooth protocol of 2.0 3.0 4.0 version. 2.Support common MP3 format audio, supports WMA, WAV, FLAC and other high quality audio format decoding. 3.Support DSD large capacity transmission, ensure stable data transfer between devices, hifi sound quality. 4.Match your phone or pad to bluetooth module, and choose Aux from your radio, then you can use your phone to play music through car speakers. 5.This adapter allows you to listen to music from your phone or tablet or mp3 they should have Bluetooth capabilities . 6.Support to answer the phone, the sound effect is clear. Plug and play, easy to install, convenient for using. Item Type: Bluetooth AUX Adapter Material: ABS Voltage: DC12V Bluetooth: Bluetooth 5.0 Microphone Cable Length: Approx.150cm or 59.1in manual measurement, please allow a slight error Fitment: Fit for E60 : 5-Series: 525i, 525it, 528i, 528it, 530i, 530it, 540i, 540iT M5 Sedan and Touring 2004 - 2010 Fit for E63 E64 : 6-Series: 630Ci, 630i, 645ci, 650i, M6 Coupe and Cabriolet or Convertible 2003 - 2010 Fit for E65 E66 : 735i, 735li, 740i, 740li, 745i, 745li, 750i, 750li, 760i, 760li and diesel 2002 - 2008 Fit for M-ASK, ASK-CD and CCC Fit for 1 Series E87, E88, E81, E82 ,Serie 3 E90-E91-E92 Installation: 1. Find the socket of the pin on the car on the back of the radio 2. Install it directly and install the power cord. 1 x Bluetooth AUX Adapter 1 x Microphone