Function via Bluetooth-enabled devicesNo functional limitations of the car radioAllows you to connect an external audio sourceIt is possible from your smartphone to your car stereo to streamPair your phone with our bluetooth module,and choose Aux from your radio.You can enjoy music from your phone through car speakers.Work for /for /for , for , for , for , for and any other phones or pads(Pls make sure there is bluetooth function in your phone or pad)Bluetooth 4.0 system, and compatible with other versions of 2.0 3.0 4.0 Bluetooth system, support commonly used MP3 format audio, but also support WMA WAV FLAC, and other high-quality audio format decoding, non-ordinary Bluetooth functions, can support DSD large capacity transmission.Easy to install.Fitment:2004 - 2010 for (E60): 5-Series: 525i, 525it, 528i, 528it, 530i, 530it, 540i, 540iT & M5 (Sedan and Touring)2003 - 2010 for (E63) (E64): 6-Series: 630Ci, 630i, 645ci, 650i, M6 (Coupe and Cabriolet/Convertible)2002 - 2008 for (E65) (E66): 735i, 735li, 740i, 740li, 745i, 745li, 750i, 750li, 760i, 760li (and )for M-ASK, ASK-CD andfor 1/2 Serie (E87, E88, E81, E82),Serie 3 (E90-E91-E92)Voltage Input:4.5V -14.6V DCOperating Temperature:-35-+75DAC Resolution:20bitTotal Harmonic Distortion:0.05%SN Ratio:90dBFrequency Response:20HZ-20KHZBlack:GND-Red:12V ACC+Connector:12PinBluetooth module connector:12VColour:BlackMaterial:PlasticPackage Contents:1 * Bluetooth AdapterOnly 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.