Dual Slot-Combing two Micro-SD/SDHC into one MS Pro Duo. (Micro-SD+Micro-SD, Micro-SDHC+Micro-SDHC, Micro-SD+Micro-SDHC). Large Capacity-Integrating one memory card with another into a memory stick with larger capacity. (Support 256M-32G for every single card and the capacities of the inserted two can be the same or different). Expandability-Supporting only one card inserted, giving more options to choose to adjust the capacity. Reliable Tech-The high quality card ferring device decides output speed of the adapter according to the speed of the inserted card. Compatibility-Effectively compatible with for and most products of . Specification: Model : -5400 OS : for for Vista XP,2000.Me,98SE,for OS 9.2,for ,for linux Support : Micro-SD 256MB-2GB / Micro-SDHC 4GB -16GB Speed : Super high read/write speed of 10 MB/s and up Note: Suit For most of the Cameras ,not all camera. Data fer can only be done with Micro-SD cards inserted in -5400. Direct PC to Micro-SDHC card data fer and then inserting in -5400 not work. Re-using your Micro-SDHC cards for other devices than -5400. Should you experience formatting problems (. only half of the original capacity available), please format concerned Micro-SDHC card(s) in slot#1 of - 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. Material: plastic + chip colour: White Package Contents: 1 x Memory Card Adapter Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.