Dyson cyclone technology captures more dirt and microscopic dust than any other. With no loss of suction. * Radial Root Cyclone technology - airflows remodeled to maximize suction power. * Cleaner head self-adjusts for optimal contact- even on hard floors. No awkward dials. * New Ball technology - housing more components inside the ball reduces clutter around it ? steers right up to edges and into difficult places. * Instant release wand stretches up to 5 times in length for stairs and hard to reach places.