Elebrium SD and TF Card Reader (Up To 64 GB) and 6 Port USB 3.0 Powered Hub Including 2 BC1.2 Fast Charging Ports. WINDOWS, Mac Os X, LINUX Support. Full USB 2.0 Compatibility. Hi-Speed USB 3.0 Hub with transfer rates up to 5Gbps (up to 10X faster than USB 2.0) allows connects up to 6 devises simultaneously to 6 ports. All ports backward compatible with USB 2.0 / 1.1 with lower transfer speed. Two out of 6 ports are also BC1.2 USB 3.0 fast charging ports allow charging your iPhone, Smartphone, tablet or other device. Charging speed up to 2.1A when disconnect from computer, or 1.5A when data sync. For additional functionality Hub has SD/TF card reader on the top. The maximum size SD card that hub will write/read is 64 GB Compatible with any Windows or Linux computers, Plug & Play, No Reboot and Additional Driver needed. OS X not fully supported. Power switch on the back allows turn device off while not using. Sleek piano black glossy finish. Power adapter and USB cable included.