Mouse pad with USB 4-port hub, LED light and retractable USB extension cable USB version 1.1/2.0 Connects to 127 USB devices Compatible with Windows 98/Me/2000/XP and Mac OS 8.58-9.X Supports full-speed 12Mbps and low-speed 1.5Mbps operations LED light mouse pad colorsPlug-and-play system configuration Large logo printing area (logo printing service is available) Plug-and-play system configuration Unit Size: 280*220*10mm Unit Packing :colors box Packing detail