What are the differences between 2D, 3D, and 4D Massage Chairs?
Watch this video for a quick description of the differences between 2D, 3D, and 4D massage chairs.
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differences
What are the differences of 2D, 3D, and 4D?
For much more details, Go to Titanchair.com https://www.titanchair.com/products/massage-chairs/osaki-pro/osaki-os-pro-maestro/498,1.
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