Description: For 2010-2011 air to work as USB 3.0 external Before you buy this item,pls check if your is 2010-2011 version with 6+pins. Support from Air 13 inch A1369, 2010-2011 Model MC503 MC504 MC965 MC966,11 inch A1370,2010-2011 Model MC505 MC506 MC968 MC969. No need driver,plug and play,no need extra . slot,more stable and reliable. Only support for 6+12 PIN 2010 2011 Air A1370 A1369 MC503 MC504 MC505 MC506 MC968 MC969 MC965 MC966 to USB 3.0 interface Specification: Material: aluminum alloy Size: 111*35*9mm Package Includes: 1 Piece USB3.0 to Adapter 2 Pieces Screw 1 Piece USB cable 1 Piece Screwdriver Note: If the previous operating system of your is OS, use the box to connect to the computer of WINDOWS system. If you open "My Computer", you can't see the disk partition. Please enter the disk manager and re-partition format to be normal. use! If your 's nominal current is greater than or equal to 1.7A (can be found on the '), we recommend that you use a HUB with an external to use the mobile , because the maximum capacity of the USB 3.0 interface is 1A, your hard drive current The large, the power consumption is large, and the USB interface cannot requirement, which will cause the mobile to be unrecognizable, or can recognize that the data cannot be written, or the mobile is disconnected from the computer and the connection is broken.