Cleaning Helper: Removes effectively dust, filth, water stains, crumbs, pet hair, footprints, and floor fissures. Edge Brush: Specially designed to protect your hard floors yet also clean effectively using a combination of soft bristle brushes and powerful suction. Small Body: Only 6cm tall. It is simple to wipe the bottoms of the furniture. Ideal for hardwood, tile, and stone floor cleaning. USB Rechargeable: Easy to use with low noise. Designed with smart avoiding obstacles or falling off of ledges. Customer Service: If you have any problems, please contact us in time. We will give you replies as soon as possible.