for Alpine KCA-121B MP3 AUX Audio Input Adapter Bluetooth 50 Bluetooth Ai-net Port AUX-IN Adapter For Alpine KCA-121B MP3 AUX Audio Input Adapter Bluetooth 5.0 Bluetooth Ai-net Port AUX-IN Adapter Bluetooth version : 5.0 - The bluetooth module is made for Alpine Ai-net Port - Just plug the black connector into the socketback of your radio - You can just Insert this item to the back radiothen Connect the red wire to 12V+, the black wireto 12V-. - Match your phone or pad to bluetooth module.andChoose Aux from your radio, then you can use yourphone to play music through car speakers. - You can hear music from your phone/pad/mp3(Theyshould have blueooth function). Compatible with the following radios: For AlpineJVCand all UniLink devices Compatible with following Alpine radios: INA-N333RS/RRS, DVA-7996R, DVA-9860R, DVA-9861Ri, DVA-9965R, CDA-7998R, CDA-9535R, CDA-9830R, CDA-9831R, CDA-9833R, CDA-9847R, CDA-9851R, CDA-9853R, CDA-9855R, CDA-9812RB, CDA-9852RR/RB, CDA-9854R, CDA-9856R, CDA-9857R, CDA-9883R, CDA-9885R, CDA-9887R, CDA-9884R, CDA-9886R, 105Ri CDA, CDA-117Ri IDA-X100 IDA-X200, IDA-X300, iDA-X301, iDA-X303, iDA-X305, IDA-X311, IDA-X313 Package included: 1PCS Bluetooth Adapter _x000D_ _x000D_