Compressed Air Duster, Cordless Handheld Air Blower, Stepless Speed, 41000RPM, Portable Rechargeable Built-in Battery, Electric Air Duster for Computer Keyboard Electronics Cleaning

[Stepless Speed]Equipped with a rotary switch, the wind power can be adjusted as required. The wind value is 0.5OZ-2.47OZ. It helps you to clean stubborn dust and fragile cleaning objects. [Small & Powerful]The weight is only 0.69lb. The compact size is convenient for storage and carrying. The maximum speed is 41000RPM. The wind force it produces is unimaginable. The powerful compressed air thrust is your good helper. [USB Charging]Built-in rechargeable battery. It can last for 3 hours under the minimum wind. You can use a 2A adapter (not included) for 10W fast charging. Greatly improve usability.