Cheap soft plastic hose. I've been using it for less than a year and this hose already has 3 big gaps from snagging on furniture corners. (Compare this to another hose I bought 5 years ago which is still in great condition and strong).
Xiaomi Mi Robot Vacuum-Mop Essential Robot Vacuum Cleaner, white
284 Review
iRobot Roomba 692: Smart Robot Vacuum with Wi-Fi, π€ Alexa Compatibility, and Pet-Friendly Features for Effortless Cleaning on Any Surface
138 Review
Vacuum cleaner Deerma DX700, white
240 Review
Vacuum cleaner Deerma DX118C RU, white/grey
144 Review