ORICO Aluminum 7 Port Super Speed USB3.0 Hub with 24W(12V/2A) Power Adapter and 3.3Ft. USB3.0 Cable Cord for iMac MacBook PC Laptop Aluminum alloy design hub with 7 USB3.0 ports, DC12V/2A power supply SuperSpeed USB3.0 connectivity offers data transfer speeds of up to 5Gbps, backwards compatible with USB2.0 and 1.0 Plug and play, support hot-swapping; MAC-style design, anodizing process carefully crafted; Only used for transmitting data, can't charge devices Support Windows XP/ Vista/ 7/ 8, Linux, Mac OS, compatible with most devices such as smartphones, tablets, laptops, desktops, and other Apple devices What is in the box: 1 x 7 Ports USB3.0 Hub, 1 x 3.3Ft. USB3.0 Cord, 1 x DC12V Power Adaptor, 1 x User Manual, 1 x Service Card; 18 Months warranty and lifetime technical support and provide lifetime technical support for all purchase via ORICO direct store Hub can&#039;t be used as a charger. Some USB3.0 devices require direction connection to host ports. 2.4Ghz wireless devices such as keyboard / mouse receivers, bluetooth and WiFi adapters may not work with USB3.0 ports. Try to use USB2.0 connection. For a stable connection, don&#039;t use this hub with high power-consumption devices, such as external hard drives.