Special Features: MP3 Players，ChargerRadio Response Bandwidth: noModel Name: FOR Fiat Alfa Romeo Lancia Croma DobloResolution: noOut Power: 6WComputer Memory Size: noMaterial Type: Cables， Engineering PlasticsDigital Media Format: Mp3，WMAColor: GrayVoltage: 12VItem Size: 9*6*3CMInstall Size: 1 DinItem Weight: 0.190 kgCar Maker: OtherSpecial Features: AUX+USB +SD+Steering wheel controls songProduct Description:Car MP3 Interface (CMI) is an digital virtual CD changer ， which can be easily installed and used. It is deliver CD quality music directly into car stereo system via CD changer port. CMI support direct controls from car radio panel and steering wheel. It support SD/SHSD/MMC card and Usb stick play via build-in USB slot and SD card slot. Aux port support universal aux audio line in.Main Features:1.Direct Connection via CD changer Port with CD quality sound.2. Control music files from your car radio panel or steering wheel.3.Support USB Flash， SD Card and 3.5mm jack input.4.Building in high quality MP3/WMA decoder.5.Building in Amplifier chips.6.No signal interfere， No battery required.7.Smart design and Easy to install and use.Specifications:Item type: Cables， adapters & socketsVoltage input: DC 12VSignal-to-noise: 95DBMax. current: 600mAFrequency response: 20HZ-20KHZWorking temperature: -10-80 Celsius degreeTotal Harmonic Distortion:0.01%Cable length:80CMPackage size: 15 * 10 * 4cmPackage weight: Approx. 180gWork Theory:1. Turn off car engine and remove key from ignition2. Remove car radio from the dash in order to get assess to the back of radio3. Find CD Changer port and plug Car Mp3 Interface cable connector into it， make sure firm connection.4. Plug USB stick or SD card into Car Mp3 Interface. Turn on radio and press CD (Disc/model/CDC/AUX) button until "CD-X-X" appear on radio screen. And play music to check left and right sound. And test if can control radio track +/-，Disk +/-.5. After all test are ok， assembly radio and put Car MP3 Interface in the proper place.Car Compatible with:NOTE:Before buying， check your car's model can match it? especially behind the car CD disc box interfaceFOR Fiat:2005-2007 Bravio ， 2007-2010 New Bravio ， 1995 -> Coupe ， 2005 - 2010 Croma ，2006-2010 Ducato ， 2001 -2010 Doblo ， 2004-2010 Idea ， 2000 -> Multipla ， Qubo ， 2003-> Punto CC DA， 2004-2010 Panda， 1999–2010 Punto， 2010> Punto EVO(Delphi/Blaupunkt)， 2002-> Stilo (Visteon/Blaupunkt) ， 2007 -2011 Fiat 500FOR Alfa Romeo:2000 - 2011 Alfa 147，1997 - 2005 Alfa 156 ，2005 - 2011 Alfa 159 ， 2005 - 2011 Alfa Brera ， 2004 - 2011 Alfa GT ， 2006 - 2011 Alfa Spider， 2008-2010 Alfa MiTo， 2010* Alfa Giulietta (non Navi)FOR Lancia：2003-2011 Ypsilon( without ICS system) ，2004-2011 Musa，1999-2005 Lybra，2002-2008 Thesis，2008-2011 Delta，2002-2011 PhedraRadio-model-compatible range：Fiat/Lancia : Blaupunkt， Connect Nav+ ( Magneti Marelli)， Lancia 843 CD，Lancia 848 MP3 SB03， FIAT 312 MP3 SB05 Alfa/Maserati: Blaupunkt 376 / 378 / 379 / 937 / 939 / 947 ， Connect Nav+ ( Magneti Marelli)，， ALFA 940 LOW PLUS Not work with: Alfa Romeo:2012-> Giulietta， 2011-> Mito， Fiat:2012-> Panda(Head Unit: Fiat 139 MP3 made by Continental)，2012-> Fiat 500， 2012-> Grande Punto Lancia:2012-> Lancia Y(Head Unit: Lancia 846 SB08 Plus made by Bosch) Head units:FIAT 312 MP3 AUX 2 PLUS(Bosch)， ALFA 940 LOW PLUS AUX 2， Lancia 846 SB08 Plus ( Bosch)， Fiat 139 MP3(Continental)