Description: 1,This cable is with Bluetooth module,It is possible from your smart phone to your car stereo to stream. This Bluetooth cable transfers music to the CD host through the mobile phone, and uses the mobile phone to operate and pause the music.2,Can be used with Alpine radios if only there is socket for our connector and it has AUX function. 3,Just plug the connector into the back of the radio,connect the two wires with 12V+(red), 12V-(black). 4,Choose Aux from the panel and connect your phone or mp3 with bluetooth. 5,You can enjoy the music from the phone or mp3 pad and more.(They phone should have Bluetooth function.) 6, Bluetooth 4.0 version, and compatible with 2.0 3.0 4.0 other versions of Bluetooth, can support the commonly used MP3 format audio, and also support WMA, WAV, FLAC,and other high-quality audio format decoding, non-general ordinary bluetooth function.7,In addition, music can be transmitted to the car, which can only transmit the sound, not play the image on the car. Specifications: 1 x Bluetooth module1 x Bluetooth module connector 12V 1 x red cable 12V + (positive) 1 x black cable 12V - (negative) Cable length: approx 20 cmCompatible with Alpine CD Models: Compatible with 2009 up new Alpine CD Player （Please set AUX site after install the cable ) Compatible wtih similar to CDE101E 102E 105E ,CDA-105Ri, CDE-104BTi, CDE-103BT, CDE-102Ri, CDE-101R/RM and CDE-W203Ri and so on .. Full-Speed devices from 2009 f.e. CDE-101R / RM, CDE-102Ri, CDE-103BT, CDE-104BTi, CDE-111R / RM, CDE-112Ri, CDE-113BT, CDE-114BTi, CDE-W203Ri, CDA-105Ri, CDA-105,CDA-105E,CDA-117Ri, IDA-X301, IDA-X303, IDA-X305, IDA-X311, IDA-X313, IXA-W404R, IXA-W407BT, TME-S370 and also many devices from 2007 in connection with the Bluetooth model KCE-400BTNote: There are many models of Alpine CD hosts, and they are also more complicated. It is recommended to consult us before purchasing.