Sell USB hub( 4 USB ports)

USB hub( 4 USB ports)
Product Name: USB HUB
Item No. : OSC-504H

Features:
1) Shell color: Clear Blue, White, green, Purple, Red, Yellow.
2) USB 1.0/1.1/2.0
3) 4 Independent USB ports without external power.
4) Each port supply up to 500MA in maximum.
5) High-speed transfer rate at 12Mbps; Low-speed
transfer rate at 1.5Mbps for 1.0/1.1 version;
High-speed tranfer rate at 480Mbps for 2.0
version.
6) Supporting system: WIN95/98/2000/XP, LINUX, MAC