It rustles like an electric broom, which it essentially is. Now he works, and we sit and look at him, as if spellbound. The tentacle brush is so adorable! We called him Jack :)) We decided to buy another one for my grandmother. We were originally recommended to buy another robot vacuum (we have a dog), but Jack does a great job with hair. We recommend to buy! ate: NEVER! Never vacuum the needles off the Christmas tree! Needles get inside, error number 1 occurs. But, however, it is treated quite easily, there are videos of masters in tyrnet.