The air duster has a maximum speed of 110000 RPM, which generates a super strong airflow to clean de dust on electronic devices. It is a good assistant for your house cleaning. The cordless dust collector has a built-in 76000mAh battery, which can run continuously for 20-30 minutes. Comes with USB-C fast charging cable, fully charged within 3-4 hours (green light is always on: fully charged), can be charged by computer, mobile power supply, car charger, adapter. Compared with compressed air can, our cordless air duster do not produce chemicals, liquids or ice during the cleaning process. It protects your electronics from liquids. The air blower be used multiple times, it saves you money and protects the environment. Cordless air dusters including various nozzles are light weight and small in size. Different cleaning places, change the right accessories, cleaning is easier! Air duster - USB charging design：Compressed air dusters battery protection design, Do not charge when the machine just finished using, the battery temperature is too high, please wait ten minutes to cool down before charging. Compressed air dusters High-end simple new design, high technical configuration, with charging cable for use. If you have any questions about the use of the product, please contact us, we will solve it for you within 24 hours.