Features:

4downstream USB3.0 ports and 1 upstream port
Complies with usb 1.1and 2.0
Supports high-speed 5gb mbps high and low speed 12mbps
Per-pert over-current detection and protection
Supplies usb bus power
Automaticswithing between self-powered and bus-powered mode supports plug&play
Pocket size Micro USB connector
Cable lenght: 1m
port type: USB
Compliant with USB version: 1.1/2.0/3.0
Over-current protection
Bus-Power limit current protection: 900ma
USB port in use LED indicator