iRobot used IFA to show the Roomba Duo, a concept/prototype home-cleaning robot built around a two-robot system rather than a single low-profile vacuum. The core idea, according to both The Verge and Tom’s Guide, is a large floor-cleaning machine that carries a smaller Roomba and lowers it with a mechanical arm when the job calls for tighter reach. The large unit is meant to handle the heavier work: cleaning larger floor areas, vacuuming, mopping and steam-mopping. The smaller robot is meant to take over where the main machine cannot easily fit, such as under furniture, around corners or in other constrained spaces. In practical terms, the Duo is iRobot’s attempt to split floor care into two specialized robots that operate as one system. The Verge reports that the Duo also acts as an autonomous mobile dock, with clean and dirty water tanks and a dust bag onboard. It says the system uses lidar and camera-based navigation to map a home, avoid obstacles and look for dirt. Those navigation and onboard-storage details are not repeated in the Tom’s Guide account provided here, so they should be treated as single-source details from The Verge. iRobot is positioning the main unit as a more capable cleaner than a typical robot vacuum. The Verge reports that iRobot’s Adam Pope described it as the most powerful vacuum the company has made and said it is closer in capability to an upright vacuum. The Verge also reports that the machine can steam-mop with a large roller mop applying 46 newtons of downward pressure, and that a demo showed it picking up pasta from a carpet before washing the carpet. The most important unresolved detail is the identity of the smaller robot. The Verge reports that the deployable unit is the Roomba Plus 757. Tom’s Guide, by contrast, says the current prototype uses the Roomba Plus 575 Combo Robot as the smaller internal robot. Both accounts agree on the mechanism and purpose of the companion robot, but they do not agree on the model name. Both outlets frame the Duo as unfinished. The Verge says it is a concept bot with no price or release date, and that exact operating details are still being developed. Tom’s Guide similarly says it is a prototype in testing, with no availability timeline and no pricing disclosed. The Verge also reports that iRobot’s CEO Hao Li presented the Duo, and notes that Li comes from Picea, which it says bought iRobot out of bankruptcy earlier this year. Tom’s Guide quotes Li describing the Duo as a move toward specialized robots working together as a single system. The ownership detail is material background, but in this cluster it is only supported by The Verge. For now, the Roomba Duo is less a product launch than a directional signal. iRobot is showing a larger, more appliance-like floor-care robot that can carry and deploy a second robot, but the company has not yet committed to commercial timing, pricing or final specifications. Who benefits: If the concept becomes a product, households that already use separate vacuums, robot vacuums, mops or carpet cleaners could benefit from a more integrated cleaning system. iRobot would also benefit if the Duo helps it reassert product differentiation in robot floor care. Who's exposed: The exposed parties are buyers and channel partners if the final product is expensive, bulky or delayed. Existing robot-vacuum makers are only directly exposed if iRobot can turn the concept into a shipping product with reliable mechanics and clear pricing.