Kensington USB 3. 0 4-Port Hub Expand your device\'s productivity capabilities by plugging your peripheral accessories into any of four USB 3. 0 ports and then watch the battery on your smartphones and/or tablets charge up in the process with the available 3 AMPs of power Features Lightning Fast Transfer Speeds Plug & Play Operation Add 4 USB ports for simple device expansion USB 3. 0 for data speeds up to 5 Gbps, which is 10x faster than USB 2. 0 3 AMPs are available to fast charge smartphones and/or a tablet when hub is plugged into a wall outlet for external power Plug & Play installation with no driver downloads necessary Compatible with systems running Windows 8. 1/8/7/Vista/XP and Mac OS X 10. 6 or later Charging ports are compliant with USB BC 1. 2 standard and compatible with BC 1. 2 devices such as iPad 4th gen, iPad Air and iPad mini (check your device specs)