<p><b>Compatible with:</b></p> <p></p> <br> 1999-2003 Mazda 323 <br> 2003-2006 B-Series Pickup <br> 2006-2011 CX7 (see note 1) <br> 2003-2011 Mazda 3 <br> 2005-2011 Mazda 5 <br> 2003-2011 Mazda 6 (see note 2) <br> 2003-2008 Miata/MX5 <br> 2002-2006 Mazdaspd <br>. 2002-2011 MPV <br> 2002-2008 Protege <br> 2004-2008 RX8 <br> 2003-2006 Tribute <br> <p></p>feature: <p></p> <p></p> <br> 1.Direct Connection via CD changer Port with CD quality sound <br> 2.Control music files from your car radio panel or steering wheel <br> 3.Support USB Flash, SD Card and 3.5mm jack input <br>. 4.Building in high quality MP3/WMA decoder <br> 5.Building in Amplifier chips <br> 6.No signal interfere, No battery required <br> <p></p> Installation Instruction: <b>Installation Instruction:</b> <br> 1.Turn off car engine and remove key from ignition <br> 2.Unmount the radio from the dash and find CD changer port at the back of radio <br> 3.Plug the AUX Adapter connector to CD changer port.(Connect the GND cable to the shield of the radio,you need to take the interconnect connector apart and slide color connector into the 6 pin place.) <br> a.Press CD button switch CD player button <br> b.Press the RPT button,then you can use the 3.5mm interface listen music <br> c.Press the RDM buttonmthen you can use the USB interface listen music <br> d.track +/-;disk +/-; volume +/-; <br> <br>