ONSON Cordless Stick Vacuum Cleaner in PURPLE/GRAY color A10PRO. Don't let the color fool you -- the Onson A10PRO Cordless Vacuum packs a punch that is ready to tackle any dirty surface. High Speed Brushless Motor can operate at speeds of up to 80.000 rpm -- more than doubling traditional vacuums that max out at 30.000 rpm. The vacuum efficiently removes many types of ground dust. with its 20kpa suction power able to penetrate many layers of dirt. The Onson A10PRO is equipped with six lithium-ion batteries. which provides maximum performance over an extended period of time. The vacuum can be used up to 40 minutes per session. with the batteries being able to recharge over 500 times over its life cycle. The Onson A10PRO utilizes a four-stage high efficiency filtration system. which captures 99.99% of microscopic dust and prevents secondary pollution. In the end. cleaner air for everybody in that space.