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, choose Aux from your radio.You can enjoy music from your phone through car speakers.You can just Insert this item to the back radio then Connect the red wire to 12Vand, the black wire to 12V-.Match your phone pad mp3 to bluetooth module. Choose Aux from your radio, then you can use your phone to play music through car speakers.Installation:Red cable connected to 12VandBlack cable connected to 12V-plug into the CD player JackProduct Descriptions:Name: Car Audio Bluetooth Adapterbluetooth version: 5.0Voltage: 5-12VCable length: approx. 27CMUniversal, suitable most of vehicle.Colour:blackMaterial:plasticPackage Contents:1x Audio bluetooth adapterOnly the above package content, other products are not included.Note: Light reflection different displays may cause the col of the item in the picture a little different from the real thing. The measurement allowed err is 1-3cm.