["Features:\r\nHolds 2 cards for super large capacity:\r\nGet maximum storage capacity with 2 microSDHC or 2 microSD cards. CR-5400 converts 2 microSD(HC) cards into one MS Pro for Duo stick. You can get twice the capacity at a lower price.\r\nCard types can be mixed:\r\nCards of different capacity and different type can be used concurrently.\r\nFreedom of expansion and upgrade:\r\nThe adapter works with only one microSDHC card as well. The second slot can be equipped anytime later. You can exchange the cards and upgrade the max. capacity at will.\r\nSuper high read/write speeds of 10MB/s and up:\r\nCR-5400 is made of high quality components and preserves the original speed of the inserted microsd(HC) cards(when two different types of microSD(HC) cards are used, the slower card sets the speed rate)\r\nSupports 2 microSD/microSDHC cards: 2 microSD(HC) cards of different capacity can be used.\r\n\r\nSpecification:\r\nModel : CR-5400\r\nOS : for Windows Vista XP,2000.Me,98SE,for Mac OS 9.2,for Mac OS X,linux\r\nSupport : Micro SD 256MB - 2GB / Micro SDHC 4GB -16GB\r\nSpeed : Super high read/write speed of 10 MB/s and up\r\nDimension: approx. 30x20x1mm/1.18x0.78x0.03''\r\nColor : White\r\n\r\nNote: Suit For most of the Cameras for ,not all for camera.\r\nData Transfer can only be done with micro SD HC cards inserted in CR-5400.\r\nDirect PC to micro SDHC card data transfer and then inserting in CR-5400 won not work.\r\nRe-using your micro SDHC cards for other devices than CR-5400.\r\nShould you experience formatting problems (i.e. only half of the original capacity available), please format concerned micro SDHC card(s) in slot#1 of CR- 5400 (slot#2 must be empty). Do this for every affected card. Now you can re-use your micro SDHC card(s) in other devices.\r\n\r\nNote:\r\nSize for manual measurement, there may be a 0 to 2 for cm error, belongs to the normal phenomenon.\r\nAnd due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\r\n\r\nPackage includes: (Without retail package)\r\n1 x Micro SD TF to Memory Stick MS Pro for Duo for Card Dual 2 Slot Adapter"]