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.

Consumer Electronics Show opens on January 7 and will host over 4,500 exhibitors in Las Vegas. View on euronews

Including Onkyo's first amplifiers in years, TCL's affordable 4K TVs and the world's first laptop with a "rollable" display.