Powerful Deep Cleaning Performance: Compressed air dusters have powerful cleaning function. The maximum speed of the super motor can reach 51000RPM. Dual Smart Start Mode: Long press the power button to start working until you release the power button; double press the power button to work continuously until you press the power button again. The indicator light is on when starting work. Rechargeable Electric Air Duster: Equipped with fast charging port and 60000mAh batteries, this computer air duster can be quickly charged in three hours, which can run continuously for 20- 40 minutes.