Regular cleaning up is necessary no matter for pc, keyboards, cars, fans, windows, household cleaning and so on. For some electronic equipment that cannot be cleaned with water, regular dusting is the best way to keep them clean and free from damage.Tackle different situations with different solutions. So does for dust issue. The wind speed of the keyboard cleaner ranges Can satisfies your varying cleaning needs, and in the meanwhile, the higher speed results in a shorter running time.Product name: Dust BlowerColour: blackBattery capacity: 6000mAhNoise: <;80dBPower: 40WCharging time: 3HContinuous use time: 0.5H (full power)Product weight: 300gProduct size: W48X D79 X H180MMApplication: hair blowing, computer keyboard case, car, home cleaning, officepacking list:1 * Keyboard DusterNotice:The size is measured by hands, please allow minor error of measurement. Photo color might be a little different from the actual product due to color display of different monitors.If you have any questions, please contact us, we will reply you within 24 hours!I wish you a happy shopping!