USB 3.0 4-Port Hub Data Transfer Rate: Up to 5Gbps (USB 3.0) Ports: 4 USB 3.0 ports Cable Length: 30cm Power Supply: DC 5V power jack for external power Protection: Built-in fuse for device safety LED Indicator: Power/activity LED for each port Compatibility: Fully compliant with USB 2.0 and USB 3.0 specifications