Feature: 1. Replacement for Z4 E85 X3 E83 E39 E60 E61 E63 E64, plug and play, easy to install, convenient to use. 2. Bluetooth 5.0 version, backward compatible with 2.0 3.0 4.0 and so on. Support DSD large‑capacity transmission, ensures fidelity data transmission between devices. 3. Support common MP3 format audio, support WMA, WAV, FLAC and other high‑quality audio format decoding. 4. You can listen to music from your phone/pad/MP3 (with Bluetooth capabilities). Supports high‑efficiency music transmission, support to answer the phone, clear sound quality. 5. Pair your phone or tablet with the Bluetooth module, select Aux in the radio, and you can use phone to play music through the car speakers. Specification: Item Type: Bluetooth AUX Cable Material: ABS Voltage: DC12V Bluetooth: Bluetooth 5.0 Microphone Cable: Approx. 150cm/59.1in (manual measurement, please allow a slight error) Fitment: Replacement for 5 Series (E39 mit SA 661-650) Replacement for 5 Series (E60, E61) Replacement for 6 Series (E63, E64) Replacement for Z4 Series (E85 mit SA 662) Replacement for X3 Series (E83 mit SA 662) Replacement for X5 Series (E53 mit SA 661-650) . Package List: 1 x Bluetooth AUX Adapter1 x Microphone