I can’t write the whole review, there is not enough space, but you can look at the CSN website. And if very briefly, only the third vacuum cleaner turned out to be fully working, the first two were defective !
Robot vacuum cleaner Roborock S5 MAX Global, black
298 Review
iRobot Roomba 692: Smart Robot Vacuum with Wi-Fi, 🤖 Alexa Compatibility, and Pet-Friendly Features for Effortless Cleaning on Any Surface
138 Review
Xiaomi Mi Robot Vacuum-Mop Essential Robot Vacuum Cleaner, white
284 Review
Vacuum cleaner Deerma DX700, white
240 Review