Item Details: Can be used with radios if only there is socket for our connector and it has AUX function. Just plug the connector into the back of the radio, connect the two wires with ACC (red) & GND(black).Choose Aux from the panel and connect your phone or mp3 with bluetooth-compatible. You can enjoy the music from the phone or mp3 pad and more.(They phone should have Bluetooth-compatible function.) Bluetooth-compatible 5.0 version, and compatible with 2.0 3.0 4.0 other versions of Bluetooth-compatible, can support the commonly used MP3 format audio, but also support the WMA WAV FLAC, and other high-quality audio format decoding, non-ordinary Bluetooth-compatible functions, can support DSD capacity transmission. In addition, of music, film, map navigation can be transmitted to the car, which can only transmit the sound, not play the image on the car. for Z4 X5 X3 E83 E85 E86 E39 E53 size: cable length 27cm Material: plastic colour: black Package Contents: 1 x Bluetooth Aux Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.