BURT V2 uses state of the art GravityCradle™ technologyto support your arm as if you were in zero gravity— yes, it feels like your arm is floating! Not only is Burt® effective, but it’s also interactive and enjoyable. With biannual updates and 18 different activities from Blackjack to FishFood™ to LaundryLoader™, Burt will add an upbeat, amusing aspect to your therapy journey.