The reels work but are so noisy I thought my Roomba threw a gear or something. Come to find out what is the installation of these roles. They're quiet on carpet, but they sound like a sack full of stones on hard ground. I returned these to iRobot commercials, you'll hear the difference in the video!
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Xiaomi Mi Robot Vacuum-Mop 2 Lite RU robot vacuum cleaner, white
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