PROVIDES 7 HI-SPEED USB 2.0 PORTS FOR ADDITIONAL PERIPHERALS BUILT-IN SELF-STORING USB CABLE IDEAL FOR NOTEBOOK COMPUTERS WITH REAR-MOUNT PORTS POWER-ONLY USB CONNECTION ELIMINATES THE NEED FOR POWER ADAPTERS OVERCURRENT PROTECTION & HOT-SWAPPABLE LED POWER INDICATOR PLUG & PLAYCOMPATIBLE WITH ALL USB-EQUIPPED WINDOWS & MAC COMPUTERSLIFETIME WARRANTYUPC : 766623161169Shipping Dimensions : 7.00in X 4.50in X 1.75inEstimated Shipping Weight : 0.3321