We have a new product on kickstarters called µGO is a device that lets you extend your Android mobile and tablet's storage capacity infinitely. µGO provides both an SD/SDHC and a microSD card slot which you can use to transfer data to and from your mobile device. µGO also lets you power/charge your device and sync with your computer without unplugging µGO from your device. µGO achieves this by providing an auxiliary microUSB port build in.
Please check it out and if you like it, please support us by contributing to the funding.
Search for "Expandable SD and Micro SD storage for Android users" in Kickstarter
If your guys have any questions let me know and I'll try to answer them as much as possible.