The Osaki OS-4D Pro Paragon is a newly upgraded 4D massage chair with an L-track and heating roller mechanism. Osaki’s most popular and innovative 4D massage chair is OS-Pro Maestro. However, OS-4D Pro Paragon is revolutionized and upgraded version of 4D Massage Chair. Especially, Paragon is designed with high and luxurious technology systems, which are voice recording, less space enlargement and heating rollers on the footrest.