USB 3.0 saves on syncing time with data transfer rates of up to 5 Gbps (much faster than USB 2.0). Backward compatible with USB 2.0 and 1.1 specifications. Premium aluminum exterior is sleek yet durable, effectively withstanding scratches and wear from repeated plugging in. Compact grab n go size provides portability while the velcro strip allows for a fixed position. Built-in surge protection keeps your devices and data safe and supports hot swapping. No drivers required for Windows (32/64 bit) 10 / 8.1 / 8 / 7 / Vista / XP, Mac OS X 10.6 to 10.9 and Linux 2.6.14 or above. Package contents: Anker USB 3.0 4-Port Aluminum Hub, 2ft USB 3.0 cable, velcro installation strip, welcome guide