Car MP3 Player Radio Interface AUX IN Adapter For Mazda 2 3 5 323 Miata MX5 Feature:1. Best sound quality from High quality Power amplifier chip & by using the CD changer port connection 2. Jack-Connection 3. Plays MP3 & WMA files 4. Plugplay installation 5. Be able to connect an external audio source like:MP3-Player; Portable DVD-Player; Mini Disk-Player; Notebook/ Tablet;iPhone /iPod/iPhone; Mobile Phone, such as HTC, Nokia, Samsung etc.;PSP. Installation Instruction:1. Turn off car engine & remove key from ignition, if your radio use a security code, make sure that you have the code before unplugging the radio.2. Unmount the radio from the dash & find CD changer port at the back of radio.3. Plug the IPOD AUX Adapter connector to CD changer port. (For Audi/V.W/ Skoda/ Seatradio, connect the GND cable to the shield of the radio)4. For IPOD/ Iphone user, connector IPOD/ Iphone via IPOD AUX Adapter 30P connector.once the unit is installed just power on the car radio & ipod, you can Press CD buttonthen you can enjoy the IPOD Music, keep Ipod changed & ready to go.5. For Auxiliary device such as PSP, MD.MP3.mobile etc, connect it with 3.3 Jack cable. It will start play music. Note: This product can not be controlled by the buttons on the steering wheel, those buttons just can only adjust the volume. Compatibility Notice:1. Fits following head units: Accord Navi Radio, Accord Premium 6CD Radio, Accord single CD radio, Accord 6 CD Radio, Civic 1, Civic Navi Radio, Odyssey Civic 1, 1sc 0, 1yc 5, 2hu 2