Since all different modes rely on the same motor, you might expect them all to offer the same level of suction, but that's not quite the case. In robot vacuum mode, the E20 offers 8,000 Pa of suction power, but switch it over to stick mode, and you'll get a massive 30,000 Pa.

It turns out that Roborock isn’t the only company that brought a robot vacuum with a mechanical arm to CES 2025. Rival company Dreame, which unveiled its stair-climbing robot vacuum earlier in the week,

Robot vacuums already take one of the most tedious household tasks off your hands, and with Roborock’s latest innovation, they’re now poised to tackle another chore: picking up after oneself.

SAVE $370: As of Jan. 9, the roborock Q5 Pro+ is on sale for $329.99 at Amazon. That's a 53% saving on list price.

Roborock unveiled a feature that it hopes could help its vacuums dethrone the Roomba: an arm. This is Saros Z70, the autonomous vacuum that comes equipped with a five-axis arm that unfolds from the top of the vacuum to pick up obstacles using onboard cameras and sensors.

Every year the Consumer Electronics Show (CES) has some delightfully silly products, but sometimes you get a device like the Roborock Saros Z70, which sits on the line between "that's silly" and "I need it".