It is not backward compatible.

Adds up to 7 USB devices to your computer.
Features 2 top-load USB ports for quick access.
Includes an internal weight and stay-put pads to keep Hub anchored to the desk.
Requires no external power supply (for most devices).
Prevents damage to your computer and devices with over-current protection.
Comes with a Belkin Lifetime Warranty.
Color: white-blue.

Power Adapter. USB Cable. User Manual.