Rotating Compact Travel 4 Ports SuperSpeed USB 3.0 Hub Pocket Size Adapter Compact 

For Laptop PC Tablet

4 x Super-speed USB 3.0 ports・?each provides 10 x faster speed than USB 2.0・?Compatible with USB 2.0/1.1

Compact USB 3.0 adapter with 4 ports・沓ackward compatible with USB: 2.0/1.1

No Additional Power Adapter Needed

Plug and play・?no driver required・?works with Windows XP/Vista/7/8/8.1. Mac OS X or above. Linux 3.0 or above.