A portable, leg massager that helps to improve circulation, relieve aches & pains & reduce swelling! If you spend a lot of time on your feet, or traveling long distances, Leg-O-Sage will help tmake your legs feel refreshed and rejuvenated. The pneumatic compression massage technology may help in improving circulation and reducing swelling caused by edema. 4 ‘AA’ batteries not incl. Portable, hospital quality leg massage Helps to improve circulation, relieve aches and pains and reduce swelling Great for relief on long car or plane trips.