style: 1M Black USB - hub notebook usb adapter hub round box

Port specification
 
-USB 3.0: Data Transfer 5 Gbps (1G movie can be transferred in 5 seconds)
 
-USB 2.0: Data Transfer 480 Mbps
 
-Micro USB Port: Supply Power for USB HUB (Can not deliver power for laptop)
 
Note:
High capacity hard disk work need micro usb port supply.
LED light can not be adjusted.