MoKo 4 Ports USB 3.0 Hub with 1 BC 1.2 Charging Port 5V 1.5A Power Adapter, Support Windows XP, Vista, Win7/8 (32/64 bit), Mac OS 10.6 and above, Linux, BLACK Compact and functoinal design with pocket size reveals exquisiteness and utility. Super speed USB 3.0 port enables data transfer rate up to 5Gbps. Backward compatible with USB 2.0(High Speed 480Mbps),USB 1.1.(Full Speed 12Mbps) The 4th port features BC 1.2 charging, offering quick charges of up to 1.5A to your USB-enabled devices, otherwise it would be a standard usb 3.0 hub. Compatible with the Win 7/ Win 8/ XP/ VISTA/ MAC OS without installing drive.(MAC OS can not work if latest update not applied.) Built-in over-current protection to guarantee safety of both connected devices and the hub itself from unforeseen power surges.