Is this device ergonomically designed so that you can use it alone, on yourself? It appears to be big and heavy for self-use on one's neck and back, that's why I'm asking.
Steve M. asked on Aug 8, 2013
This item is ergonomically designed. The dimensions of this item are 18"x6"x4" and it weighs 2.8lbs.
Allison J. from Groupon replied on Aug 9, 2013