I’ll see your arm and raise you an arm and two legs. It was the battle of the bots on the CES show floor as robot vacuum manufacturers Dreame and Roborock each added limbs to their rival robovacs.

The five-axis robot arm unfolds from the top of the vacuum. It can extend and twist, in a bid to remove obstacles from its path and pick up laundry items weighing less than 300 grams.

Roborock Saros Z70 review: If you think you need the robot vacuum with an arm, no you don't If you have the very adult budget to spend $2,600 on a vacuum but can't manage to pick up your own socks ...

Roborock's Saros Z70 is the first-ever robot vacuum with mechanical arm to tidy your space while it mops and vacuums. We got to test it at an exclusive prelaunch event.