4 Port Micro USB Adapter Cable, OTG Hub Cable for Android Tablet Smartphone

[Multi-functional]This is a multi-functional USB OTG host hub adapter cable [Support]One power USB port can connect original charger to supply power for flash disk, card reader, mouse, keyboard and so on. [Use]Three ports with USB design can connect the keyboard, mouse, card reader and so on (can't connect hard disk). [OTG mode and charging mode]When OTG mode and charging mode can work simultaneously, the should be placed to Charge. [Portable]Portable and practical, which can greatly save your working space and you can easily take it to everywhere