Rowenta AC9255 Delta Force Bagless Cordless Handheld Vacuum Cleaner with Long-Lasting Lithium Battery, 18V, Blue Delta Force cyclonic bagless technology generates powerful, sustained suction for highly efficient pickup Dust-separating grid with 997 micro-holes vacuums up to eight times longer than competitive mesh filters 18V lithium-ion battery with up to 13-minute runtime -- up to 30% longer than competitive handheld vacs Exclusive triangular Delta Head attachment with micro-brush for larger surfaces and upholstery Telescopic crevice tool attachment for hard-to-reach areas. 33-oz. dust cup capacity