Finally! A robot vacuum that can climb stairs (well, kind of)
Briefly

Dreame's new X50 Ultra model is designed to conquer challenges like crossing door thresholds and climbing stairs under two inches, showcasing significant advancements in robot vacuum technology.
The X50 Ultra features the world's first extendable double-jointed legs, allowing it to navigate obstacles as high as six centimeters, and is marketed for $1,700, reflecting its high-end status.
Read at ZDNET
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