1) USB2.0 HUB with 4 port
2) Support data transfer rate 1.5/12/480Mbps
3) Supports up to 127 USB devices
4) Extensively compatible with scanner, digital camera, digital vidicon, audio-system, display, U disk,
5) Single chip integrated USB HUB controller with embedded proprietary processor
6) 4 ports, and power up to 500mA each port
7) USB bus power Supply ,No external power supply required
8) Truly plug & play and hot swapping capability
9) Full data transfer rate up to 480Mbps
10)LOGO printing service are available
12)Support windows 98/me/2000/xp/vista,Mac OS9.1 or higher
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