Adjustable Bases
Great
Comfort for heads up and feet up is available with our basic models.  Some additional features may be available on basic models but main function is geared to these standard features.
Better
This level, in addition to "heads up & feet up", will add features such as limited massage and wireless remotes.
Best
"Top of the line models" include all features of above models but have many more selections and variations on settings including high defintition massage and built in USB charging outlets.