This is a Nicestuff 68340 (also known as the PR340 or NSD-68340 or NSD-PR340, or KRAM 68340 or 68340-PAC EasyMute Premium) handsfree integration harness for use with select Hyundai and Kia vehicles. Some of the compatible vehicles include: Hyundai AZERA 2006+ WITH INFINITY Hyundai CENTENNIAL 2006+ WITH INFINITY Hyundai COUPE 2006-2008 WITH INFINITY Hyundai ELANTRA 2007+ WITH INFINITY Hyundai ENTOURAGE 2007+ WITH INFINITY Hyundai EQUUS 2006+ WITH INFINITY Hyundai GRANDEUR 2006+ WITH INFINITY Hyundai i40 2008+ WITH INFINITY Hyundai ix55 2008+ WITH INFINITY Hyundai NF 2006-2008 WITH INFINITY Hyundai NF YUXIANG 2006-2008 WITH INFINITY Hyundai SANTA FE 2007+ WITH INFINITY Hyundai SANTA FE (US) 2007+ WITH INFINITY AND NAVIGATION Hyundai SONATA 2006-2008 WITH INFINITY Hyundai SONATA 2009+ WITH INFINITY AND NAVIGATION Hyundai SONICA 2006-2008 WITH INFINITY Hyundai TIBURON 2006-2008 WITH INFINITY Hyundai TUSCANI 2006-2008 WITH INFINITY Hyundai VERACRUZ 2007+ WITH INFINITY Kia AMANTI 2005-2008 WITH INFINITY Kia AMANTI 2009+ WITH INFINITY AND NAVIGATION Kia CARENS NEW FACE (SK) 2007+ WITH INFINITY Kia CARNIVAL 2006+ WITH INFINITY Kia LOTZE (SK) 2006-2008 WITH INFINITY Kia LOTZE INNOVATION (SK) 2009+ WITH INFINITY AND NAVIGATION Kia MAGENTIS 2006-2008 WITH INFINITY Kia MAGENTIS 2009+ WITH INFINITY AND NAVIGATION Kia OPIRUS 2005-2008 WITH INFINITY Kia OPIRUS 2009+ WITH INFINITY AND NAVIGATION Kia OPTIMA 2006-2008 WITH INFINITY Kia OPTIMA 2009+ WITH INFINITY AND NAVIGATION Kia RONDO/RONDO 7 2007+ WITH INFINITY Kia SEDONA 2006+ WITH INFINITY Kia SORENTO (US) 2007+ WITH INFINITY AND NAVIGATION Kia SPORTAGE 2004+ PREAMPLIFIED " + " means - should be compatible through the end of that generation of the model On activation of the Mute line, the audio will switchover to the handsfree kit. You can also use this harness to integrate audio into your car stereo from other mono sources by triggering the mute enable line (navigation units, radar detectors, CB radios, etc.). A carkit-specific adapter harness may be required for your installation (I have some of these in my booth), or the connections can be made individually. Available on the connection to the carkit is: VBATT - constant +12V power supply Ground - chassis ground Ignition - switched +12V signal Mute - active-low trigger Mute connection Speaker (+) - differential mono audio signal from the carkit or device Speaker (-) - differential mono audio signal from the carkit or device I have a mobile electronics installation business and am selling off some excess inventory. Please feel free to send a message if you have further questions about any of my items. Thanks for looking!