The AirSep FreeStyle portable oxygen concentrator lives up to the name FreeStyle. The patient will have freedom to live a lifestyle with no boundaries and no concerns of oxygen therapy. The "wearable" oxygen concentrator is the answer for oxygen users who want to ramp up daily activities such as biking, walking, gardening, shopping or traveling. The inconspicuous carrying case for the FreeStyle appears to be a small video or camera bag.