Micro SD TF to SD Card Kit Mini Adaptor for Extra Storage Macbook Air / Pro / Retina Support Micro SD / Micro SDHC / Micro SDXC (The memory card not included) Color: White Length: 20mm approximately Short Body SD card kit for Apple Macbook (Please make sure your macbook with SD card slot first) Work for: Mac Book Pro 13': Mid 2009, 2010, 2011, 2012, 2013, 2014 Mac Book Pro 15': Mid 2009, 2010, 2011, 2012, 2013, 2014 Mac Book Pro 17': Mid 2012, 2013, 2014 Mac Book Air 13': Late 2010, 2011, 2012, 2013, 2014 Mac Book Retina 15': Mid 2012 Note: The SD card cannot plug in fully for Belowing macbook: Mac Book Retina 15': 2013 or later == will be out of 3-5mm Mac Book Retina 13': Mid 2012, 2013, 2014 == will be out of 3-5mm