Features:100% quality and .Support 3.5mm jack input for Iphone ,for Samsung,for HTC,for Ipad.It can direct connection via CD changer port with CD quality sound3.5mm Aux interface for listening music,USB interface for chargerhelp to control music files from your car radio panel or steering wheelNot compatible with Navigation radios, MX5 and for bose sound systemHow to used:1.Turn off car engine and 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 and 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/Seat radio,connect the GND cable to the shield of the radio)4 For IPOD/Iphone user,connector for IPOD/Iphone via for IPOD AUX Adapter 30P connector.once the unit is installed just power on the car radio and ipod,you can Press CD button.Then you can enjoy Music ,keep Ipod changed and ready to go.5. For Auxiliary device such as for PSP,MD.MP3.mobile etc,connect it with 3.3 Jack cable. It will start play music.Product properties:Item Type:Cables, Adapters & SocketsBrand:noVoltage output: 12VModel:noItem Head Size:2.5*2*1cmItem Weight:126gMaterial Type: plasticSpecial Feature:Car Adapter Interface type:otherSpecifications:Condition:newPackage Size:15*10*4cmMain Color: blackPackage includes:1 x AUX In Adapter Noted:Please make sure the connector before you place this order