The Dyson DC39I comes equipped with the very latest Dyson technology. Its Root cyclone technology captures more dirt than any other type of vacuum thanks to its patented design that can absorb even the smallest of dust including pollen & trap it; meaning your house will be cleaner & more hygienic. Its Dyson Ball will make navigating around your furniture effortless, the ball means that you can pivot on the spot & follows your movements meaning you'll expend less effort & get the vacuuming done much quicker. The DC39i is further optimised for pets. It comes with a mini turbine head designed to get into the tightest of spaces & clean dug in dirt & pet hair with ease.