4-Port USB 3.0 HUB Adaptor

• 4 Downstream (USB 3.0 A-Type) ports and 1 Upstream port
• Compatible USB specification 1.1 and 2.0
• Supports High-Speed (5G Mbps), Full-Speed (480Mbps) and Low-Speed (12Mbps) USB device profiles
• Supports: MS Windows 2000 / XP / Vista / 7 / Mac OS (10.X or above) / Linux

NB: Please be informed this USB Hub does not include additional external power adaptor and only draws power from USB connection.