COOLEAD- 7 Ports USB 2.0 High Speed Hub With 7 Power Switches and Led Lights For Laptop / Notebook / PC / Computer / Tablets (BLACK) Charge and sync your devices. Fully compliant with USB 2.0 specification. Support data transfer rate at 1.5/12/480 Mbps. Individual Port Over-Current Protection. Bus Power Limit Current Protection 500mA. Max Support 500GB. Plug-and-Play No driver installation required with 7 On / Off switches and 7 LEDs. Support Windows (98, Windows 2000, ME, XP, Vista, 7, 8) and also for Mac OS & Linux or higher for USB 2.0 mode.