2D, 3D or 4D? How to choose the right Massage Chair for You.
When it comes to massage chairs, it's what's on the inside that really counts. And if you've done any research, you've probably come across specific terms to describe the different massage technologies behind the scenes.
Two of the most common questions we're asked about are L-Track vs. S-Track designs and 2D vs. 3D/4D technology.
