Micro USB to Dual Ports Micro USB Female Hub Cable for Laptop PC and Mouse and Flash Disk

Micro USB to Dual Ports Micro USB Female Hub Cable For Laptop PC & Mouse & Flash Disk
Two Micro usb port can work at the same time.(The Micro usb female only support OTG device
like micro usb flash disk, hub, not work for power)
It can't charge the micro usb host device via micro usb female port
Length: 30cm
For Laptop Macbook Notebook PC & Mouse & Flash Disk
can connect the micro usb mouse, micro usb keyboard,micro usb flash disk,micro usb card reader etc.
can connect the micro usb hard disk.(need to connect the external power)