Features: brand new and high quality Super Speed Syncing: USB 3.0 hub has 4 for extra USB 3.0 data ports for hard drives, flash drives among other USB devices, syncing data at blazing speeds up to 5Gbps. Protective: Independent power supplies provide stable power supply for multiple USB devices at the same for time, making it easy to work at full load. The built-in current for protection setting can effectively protect the connected device and the HUB. Enhance durability, reliability, and ensure safety and stability. Individual Port Switches: Each USB port has an on/off push button to disconnect power/data to devices; Save energy by turning off thumb drives, web cams, headsets, etc. when not in use. Manage Power & Reset Devices: Port switches enable you to direct power to selected peripherals, power on/off without physically unplugging the device which reduces wear and tear on the USB port. Wide Compatibility: USB hub is OS independent & no drivers to install. for Windows XP/Vista/7/8, for Mac with USB support. Specifications: Material: ABS Color: Black/White Interface: USB 3.0 Transfer Rate: 5GBPS Size: Approx. 10.5x3.6x2.2 for cm/4.13x1.41x0.86 inches Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x USB 3.0 Hub Kit