This computer cleaning machine adopts USB charging design, small and portable, strong wind, very suitable for blowing away the dust in the computer keyboard or main box. The handheld hair dryer is not only suitable for computers, but also for your car, bookshelves, etc. Places where dust is not easy to cleanSpecifications:Name: Cordless Air DusterBattery capacity: 6000 mAhRated power: about 60WRated voltage: DC 5VCharging current: 5V/ 2AMotor speed: 35000 RPMCharging time: about 7 hoursCharging port: Type-CProduct net weight: about 1.1 LB/475 GColour：blackProduct size: about 18.9*7.9*13.1cm (7.44*3.11*5.16inch)Packing List:1*Handheld dust blower1*USB Charging CableWe always provide customers with a satisfying shopping experience.If you have any questions about our products,please contact us in time, we will answer and solve the problem for you within 24 hours.