The UE250 allows users to extend the distance between the computer and USB devices up to 5m via the dynamic extension cord. USB signals transmitted through them to maintain optimal signal integrity and meet the USB 2.0 standard. • Extends the distance to your USB device up to 5m (16') • USB specification version 2.0 compliant • Fully compliant with USB Electrical and Timing Specs for USB Hubs • USB IF Approved • No power adapter required • Multiplatform support : Windows, Mac • OS Support: Windows 2000, Windows XP, Mac and FreeBSD