irobot can not be used without a network, and the sound is very low. This wiper has a high degree of intelligence and ability, can connect to WiFi, and there is an APP in the phone to control it, which is very convenient. The noise is very small, does not affect the daily work, the sensitivity is high, the endurance is excellent, and the work is close to 2 hours on a single electric charge. As far as the cleaning function is very good, it is worth buying the appearance of the material is exquisite, beautiful, ultra-thin sweeping effect is very good, especially under the bed, the sofa can not be swept by people usually, it can get into the clean, suck out the floating dust under the bed and the wall, make the room cleaner.