Description: Car MP3 Interface ( CMI ) is a digital virtual CD changer, which can be easily installed and used. It delivers CD quality music directly into car stereo system via CD charger port. CIM supports direct control from car radio panel and steering wheel. It supports SSD / SHSD / MMC card and USB stick play via built-in USB slot and SD card slot. 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. Built-in high quality MP3 / WMA decoder. 5. Built-in amplifier chips. 6. No signal interfere, no battery required. 7. Smart design and easy to install and use. Specifications: Voltage input: DC 12V Max current: 200mA Total harmonic distortion: 0.01 percent Frequency response: 20Hz - 20KHz Working temperature: -30 - 80 Deg.C Package weight: 0.188 kg Package Size(L x W x H): 15.50 x 10.00 x 4.50 cm / 6.1 x 3.94 x 1.77 inches Applications: Car Models: For Mazda 3, 2004 - 2008 For Mazda 6(see note 2), 2003 - Oct.2005 For Mazda 6 ( see note 2 ), 2006 - 2008 For Mazda 6 ( Panasonic / ), 2009 For Miata / MX5 ( non ), 2003 - 2008 For CX7 ( non ), 2007-2008 For RX8 ( see note 3 ), 2004 - 2008 For Premacy, 2002 - 2008 For Mazda 323, 1999 - 2003 For MPV, 2002 - 2011 Compatible Head Units: 1168, 1269, 4103,14789909, 14792086, 14792089, 14794008, 14794522, 14795137, CQ-EM4570AK, CQ-LM4720A, CQ-TT3070AA, CR-LM4282KA, CR-LM4282KA CD,CQ-XM8950A, GS1F669RXA, GJ6R66DSXF02, PT-2674J Compatibility Notice: 1. Not compatible with active Satellite radios or Navigation system. 2. Not for all Mazda 6 supports external CDC connection, internal modification might be needed; Mazda 6, produced from Nov. 2003 to Sep. 2005, needs to solder a jumper or a 0-ohm chip register on location L716 in its head unit. 3. RX-8 radio firmware version must be v9.55 or later, v10.1 and v9.81 not supported. Package Contents: 1 x Car Audio Interface 1 x Card Reader 1 x English Manual Notes: 1. Please see the application in the link and confirm if it is fit for your car model and radio model. If you receive it with quality problem, please feel free to ask for help before opening a dispute or leaving a bad feedback. Thank you very much! 2. Can not be used with navigation and DVD, the product is used on original CD (that is, the car itself with the CD machine, not the CD machine that buyer buy)