Product Description: 1. 100% brand new and high quality 2. This is a multifunctional USB OTG Host Hub Adapter Cable. 3. Compatible with all tablets and cellphones with OTG function, such as Samsung Ga more→laxy S3,S4,Tab 3,2 ,Note 10.1 and so on. 4. Three ports with USB design can connect the keyboard,mouse,card reader,and so on(can??t connect hard disk). 5. One power USB port can connect original charger to supply power for flash disk, card reader, mouse, keyboard and so on. 6. When OTG mode and charging mode can work simultaneously, the swith should be placed to "Charge". 7. You can share your U disk content while charging the phone. 8. Micro-USB Power can charge your tablet and smart phone