The Genesis Max 4D is the continuation of the legacy that the Infinity Genesis SE started and so much more. To improve on our best seller we maximized many key areas. We upgraded the foot massage to now include kneading and oscillation. We added on-board nature sounds to you relax. Finally, we upgraded to our latest, most advanced and leather-backed controller. The Genesis Max 4D is the culmination of continuous research and innovation, designed to be the best and bring the best out of you. Built with everybody in mind, this chair will scan the user and adjust the massage accordingly. That means everyone from Mom and Dad, to Grandma and Grandpa will be able to sit and enjoy this chair. Everything about the massage can be customized, from the speed and depth of the rollers, to how much the airbags are inflating, to the music that is played on the speakers. Change this from the all-new, intuitive Infinity Controller, or connect your phone through Bluetooth and use the Genesis Max App which puts the chair controls into your own pocket.