3 in 1: Dual USB 3.0 port and dual card reader and ethernet function, all in one solution for laptop, chromebook, pc, ultrabook,macbook--- Support Windows (32/64 bit) 8.1 / 8 / 7 / Vista / XP, Mac OS X 10.6 to 10.9, Linux 2.6.14 or above
Super speed: USB 3.0 ports,supports transfer rates up to 5Gbps;1 RJ45 Gigabit Ethernet port gives access to superfast network speeds.
Card reader interface:1 x SD interface and 1 x micro SD interface:support dual card to read singly,USB3.0 speed.
Power guarantee: A power port which can add power when it connect with high power-consumption devices. such as some large-capacity hard drives.
Excellent component:Industrial grade quality materials,Lightweight, corrosion-resistant, preventing scratches, it's super compact and portable. It's an ideal product for use during the trip or home and office.