I’ve been reviewing robot vacuums for almost a decade, and one question I hear repeatedly is “When will it clean my stairs?”
Well, we finally have an answer. Sort of. At CES 2026 this week, Roborock launched the Saros Rover, a robot vacuum with articulating legs on wheels that let it climb a full staircase in order to clean multiple floors and also clean each step along the way.
I saw a live demo of the Rover on the show floor, and it was impressive. Its legs move in a froglike manner, fluidly and with lots of flexibility. It can raise and lower each one independently, do small jumps, and change direction quickly – moving much more smooth …
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