Usage Tips:Bluetooth Aux Cable Adapter For -121B AI-NET -9857 -9886 -117 for Smartphone Microphone Handsree This Style support microphone handsfree and bluetooth audio !!! Microphone cable size : 150CM 1.Plug and play, easy install 2.Function via Bluetooth-enabled devices 3.No functional limitations of the car radio 4.Allows you to connect an external audio source 5.It is possible from your smartphone to your car stereo to stream 1.Bluetooth module connector: 12V 2.Red cable: 12V + (positive) 3.Black cable: 12V - (negative) 4.Cable length: 20 cm Compatible with the following radios: for for and all UniLink devices Compatible with following radios: -N333RS/, DVA-7996R, DVA-9860R, DVA-9861Ri, DVA-9965R, -7998R, -9535R, -9830R, -9831R, -9833R, -9847R, -9851R, -9853R, -9855R, -9812RB, -9852RR/RB, -9854R, -9856R, -9857R, -9883R, -9885R, -9887R, -9884R, -9886R, 105Ri , -117Ri IDA-X100 IDA-X200, IDA-X300, iDA-X301, iDA-X303, iDA-X305, IDA-X311, IDA-X313 colour:black Material:ABS Package Contents: 1 x Audio Cable Adapter 1 x bluetooth Microphone Only the above package content, other products are not included. Note: Light 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.