FDAnews
www.fdanews.com/articles/150273-vbox-trooper-8217-s-oxygen-concentrator-soon-available-in-u-s

VBOX Trooper’s Oxygen Concentrator Soon Available in U.S.

October 17, 2012
VBOX, a Minnesota-based company, was given FDA clearance to bring to market its portable oxygen concentrator. Touted by the company as the world’s first truly wearable oxygen concentrator, the Trooper weighs only 3 pounds including the battery and is the size of a pair of binoculars.
MedGadget