USBGear USB 3.0 4 Port Powered Hub - Super-Speed Metal Case with Automatic Over-Current Protection and Auto Recovery USB 3.0 compliant 4-Port High Speed Hub backwards compatible with USB 2.0/1.1 specification. Compatible with Windows 7/8/10/98/2000/XP/2003/Vista Mac OS X A powerful USB 3.0 4 Port Hub in a compact, slim size for easy travel One LED to indicate Hub is ready - Four LEDs to indicate per port status Includes 4Amp 5VDC Mini-Switching Power Adapter (100-240VAC, 50/60Hz) to power each 900mA port, is reliable up to 15 feet