Description This adapter is an easy alternative to the traditional, clunky external HDD, as well as a cost effective way to give your MacBook's SSD a boost. It's simple to use, non-destructive and lets you add up to 128GB of extra space. A new style and color is design fit for Apple MacBook Air, golden plug fast transmission speed. Micro SD TF Card to SD Slot Adapter for MacBook Air Pro MacBook AirTo is known as ultra-thin notebook computer, it is destined to be a flaw: limited storage space for most users. This is a big problem. Although notebook storage space can be expanded through an external hard drive, but this is means that the user must carry an additional hardware. Additionally, some people will take advantage of the side of the notebook SD Card slot, but many SD Card into the slot will reveal part of the outside. So this product will help you solve the problem.Turns Micro SD TF card to SD card.Conveniently expand the hard disk for MacBook Air or MacBook Pro.The adapter is 1/3 shorter than normal SD card.Can also be used as a dustproof plug. Specification: Weight: 0.2 ounces Size:0.95x0.95x0.08 inches MacBook Air 13": Late 2010- 2011- 2012- 2013(MacBook Pro is not sure) Color: Silve Wihte Package Include : 1 x Mini Micro SD TF to SD Adapter