Lindy USB 2.0 Extension Pro Hub active 12m, expandable up to 56m - ATTENTION the first of the extension chain needs always to be the 8M active extension (A# 234093), 3x Female USB Typ A for USB Units with 100mA Power Requirement, compatible to USB 1.1 Controllern and Units, supports 480 Mbit/s, 12 Mbit/s and 1,5 Mbit/s, Plug&Play, incl. Power Supply, supported operating systems: WIN ME/2000/XP/VISTA/7, MAC OS9/OSX and Linux