Mini Driver 
Product features:

• Quickly, simply, and discreetly increase the data storage space in any MacBook through use of a micro SD.
• Sits flush and fits securely into the SD slot of all modern (2010+) MacBook computers.
• Fits: MacBook Retina 15" MID 2012+ MacBook Air 13'' Late 2010+.
• Fits: MacBook PRO 13'' MID 2009+ MacBook PRO 15'' MID 2009+ MacBook PRO 17'' MID 2012+.
• The nifty mini drive alternative.
• Shipped OEM w/out retail packaging.

Product description:

• Mini Drive is a unique "short" micro SD adapter that allows anyone to quickly and easily increase the available storage space in a modern laptop through use of the computer's standard SD card reader.
• With this adapter, you can take an inexpensive 64GB micro SD card and add "plug-in-and-forget" storage space to your MacBook
• When the Mini Drive is placed into the computer it is discretely hidden.
• Mini Drive also can be removed when not in-use.
• Small and compact design.
• With logo printed on the surface.
• Easy to insert and remove.
• Convenient to carry.
• Inventory available for express delivery: yes.
• Stock available: 10,000 piece(s).