Targus 7-Port USB 2.0 Desktop Hub with Audio Pass-Through ACH81US (Silver) Instantly expand your computers USB ports and connect up to 7 devices simultaneously, including mice,keyboards, memory drives Hub is designed for both vertical and horizontal positions The front audio ports provide a convenient connection for headphones, speakers and a microphone. Constructed with d urable 840D Nylon; includes water resistant bottom panel The two high-power "Always On" ports provide twice the power as standard USB ports