אשמח לדעת מה יותר כדאי לרכוש עבור המאזדה 3 שלי (שנת 2007)

http://www.ebay.com/itm/Mazda-interface-Car-Audio-Stereo-Adapter-MP3-USB-SD-AUX-IN-Bluetooth-CD-Changer/221249276907?rt=nc&_trksid=p2047675.m1851&_trkparms=aid%3D222002%26algo%3DSIC.FIT%26ao%3D1%26asc%3D163%26meid%3D8900158654603377078%26pid%3D100005%26prg%3D1088%26rk%3D2%26sd%3D200855964330%26

http://www.ebay.com/itm/Yatour-Car-Digital-Music-Changer-USB-SD-MP3-for-Mazda-3-5-6-Tribute-Miata-MX-/200921136037?pt=Motors_Car_Truck_Parts_Accessories&fits=Make%3AMazda&hash=item2ec7d53ba5&vxp=mtr#vi-ilComp