Samsung Galaxy Tablet 4-in-1 Connection Kit : USB, SD Memory/micro SD, Micro USB Adapter : Galaxy Tablet: 7.0/7.7/8.9/10.1 & Galaxy Note 10.1 USB Host = Reads Hard Disks, Digital Cameras & Keyboards Micro USB = Sync with PC and Charge Tablet SD Card Slot = Reads SD Memory Cards Micro SD Slot = Reads Micro SD cards Will Charge your tablet via Laptop...