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Esacpe the awkwardness of running out of all the USB ports on your laptop or Ultrabook! The Rosewill RHB-620 adds four USB 3.0 ports via a single USB 3.0 connection - connect your USB drive, MP3 player, smartphone and printer all at once. It's backward compatible with USB 1.1 and USB 2.0 devices. Easily tucked into your laptop bag or nestled next to your laptop, its slim design enables ultimately easy storage and transport.