Features:
1) Backwards compatible with USB 1.0 / 1.1 / 2.0
2) Data transfer rate up to 480Mbps
3) Four downstream ports can handle high-speed (480Mbps), full-speed
(12Mbps), low-speed (1.5Mbps)
4) Supports OS: Windows 98 / 98se / Me / 2000 / XP, Mac OS8.6 or above
5) Plug and play
6) Dimensions: 99.6 x 59.5 x 25.7mm