SwitchBot has released the Robot Vacuum K11+ Pro, the latest in its line of miniature self-emptying robovacs. It costs the same $400 as the K11+ that came before it, but comes with double the suction, a key update that could improve how well it does its job.

The Robot Vacuum K11+ Pro measures the same 9.8 inches wide and 3.6 inches tall as the original K11+ but offers 12,000Pa suction, or double that of its predecessor. That was considered very high suction in a robot vacuum only a few years ago, and should mean better performance (although suction isn’t everything when it comes to robot vacuums). The K11+ Pro comes with a 3,500mAh battery, a…

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