1. Designed for laptops, tablets and ultrabooks, easily expands one USB 3.0 high-speed port to three
2. With SD and TF card slots, can read different types of memory cards
3. Card slot compatibility: SDXC (up to 2TB), SDHC, SD, Micro SDXC, Micro SDHC, Micro SD
4. Compatible system: Windows XP/Vista/7/8, Mac OS 9.1 and above, MAC OS 10.X or above
5. Built-in overvoltage/overcurrent/leakage and short circuit protection devices
6. Backward compatible with USB 2.0 / 1.1
7. Material: aluminum alloy
8. Power supply interface: micro USB
9. Cable length: 80cm