Saicoo USB OTG 8 in 1 HUB & 4 Slots Rubber Spray Card Reader/Writer Connection Kit(comfortable hand feel) for Samsung Galaxy Tab Series(Tab 2/7.7/10.1/P7500/P7510/NOTE 8.0/8.9) - Black(Retail Package) Support Samsung Galaxy Tab series which is Andriod 3.2 or above and exists OTG fuction.(the tablet's connector must be host function) Simple to use, just plug into 30 pin connector on your Samsung Galaxy Tab, no installation require. Provide USB port which can connect USB Flash Disk(OTG), mouse and keyboard, etc. and 4 slots card reader support SDHC / MS / MicroSD / M2, etc. Support bus-powered mode and USB data hot swap sync to Samsung Galaxy Tab with a blue LED indicator. The USB HUB is not used to charge your tablet, and this OTG card reader can't be used for iPad.