2 N( W3 B. i1 U" R$ Z' iAmazon 上要賣$132.95!! 5 ]% F6 Y- n) y% hThe only handheld that doesn't lose suction - twice as powerful as others on the market todayUnlike other vacuums, Dyson is certified asthma friendly® according to the Asthma and Allergy Foundation of AmericaLifetime washable pre and post motor filter adds no extra cost to operationAdvanced lithium ion battery technologyOne charge yields six minutes continuous runtime21.6 volts delivering 39AW of suctionDyson proves no loss of suction using a test method based on the IEC 60312 Cl 2.9 test standard! U: T2 o. P( x8 I4 y$ b