100% high-quality new products. This product is specially made for car audio/stereo. Just connect power to battery and plug two into car radio,connect your phone with bluetooth. You can just Insert this item to back radio then Connect red wire to 12V+, the black wire to 12V-. Choose AUX from your radio and you can from your phone in your car.<br><br>Match your phone or pad to bluetooth module.and Choose Aux from your radio, then you can use your phone to through car speakers;You can hear music from your phone/pad/mp3(They should have blueooth function). Set up with auto-pairing in a minute. Existing CD changer can still be used. Function via Bluetooth-enabled devices. Condition: Plug & Play Bluetooth: V5.0 Range: 10m Suitable for most cars Installation : 1. Connect red wire to 12 volt ignition power 2. Connect black wire to ground/metal chassis 3. Connect to inputs of source device 4. Go to phone and pair it 5. Ready to go Colour:Black Material:ABS<br><br>Package Contents: 1 x Bluetooth Adapter Cable<br><br>Only above package content, other products are not included. Note: Light reflection and different displays may cause color of item in picture a little different from real thing. The measurement allowed error is +/- 1-3cm.