Experience unparalleled relaxation with the Osaki OS-Pro 4D Emperor, featuring advanced back heating with mild infrared heat that loosens muscles from the neck to the hamstrings. Its combination of S-Track and L-Track technology contours to your spine and extends the massage area by 50%, ensuring exceptional comfort. The OS-Pro 4D Emperor is designed to bring hand-crafted luxury right to your to your living room so you can discover therapeutic relief from the comfort of your own home.