Features: 1.Bluetooth 5.0 version, backward compatible with Bluetooth protocol of 2.0 3.0 4.0 version. 2.Support common MP3 compatible withmat audio, supports WMA, WAV, FLAC and other high?quality audio compatible withmat 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/tablet/mp3 (they should have Bluetooth capabilities). 6.Support to answer the phone, the sound effect is clear. Plug and play, easy to install, convenient compatible with using. Item Type: Bluetooth AUX Adapter Material: ABS Voltage: DC12V Bluetooth: Bluetooth 5.0 Microphone Cable Length: Approx.150cm/59.1in (manual measurement, please allow a slight error) Fitment: Fit compatible with (E60): 5-Series: 525i, 525it, 528i, 528it, 530i, 530it, 540i, 540iT & M5 (Sedan and Touring) 2004 - 2010 Fit compatible with (E63) (E64): 6-Series: 630Ci, 630i, 645ci, 650i, M6 (Coupe and Cabriolet/Convertible) 2003 - 2010 Fit compatible with (E65) (E66): 735i, 735li, 740i, 740li, 745i, 745li, 750i, 750li, 760i, 760li (and diesel) 2002 - 2008 Fit compatible with M-ASK, ASK-CD and CCC Fit compatible with 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