Conwork 4-port USB 3.0 Hub Superspeed with Individual on/off Power Switches and Leds 2feet Cable (Black) 4 Ports output 1 Port input with Individual Power Switches Blue LED indicates power status for each port Supports USB 3.0 transfer rates up to 5Gbps. Backwards compatible with all USB 2.0/1.1 devices and hosts Built-in surge protection keeps your devices and data safe and supports hot swapping. No drivers required for Windows (32/64 bit) 8.1 / 8 / 7 / Vista / XP, Mac OS X 10.6 to 10.9 and Linux 2.6.14 or above. Package contents:USB 3.0 4-Port Hub, 2ft USB 3.0 cable