The compressed air duster is equipped with a HEPA filter, which has a filtration efficiency of up to 98% and can deep cleaning of tiny particles/dust, etc, and greatly improves the cleaning efficiency. Less energy consumption, longer life, and noise relief while maintaining strong power. Strong wind speed, easy cleaning, is a good assistant for cleaning after your house decoration.The air duster is equipped with an upgraded 70000 RPM high-efficiency motor, with blowing force is up to 1.9-2.5OZ, which provides super airflow for deep cleaning and dust from any electronic device. Long press switch for 3 seconds can switch the device on & off. Short press switch can switch to 2 Gear wind speed ( High Speed: 500L/Mins, Low Speed: 300L/Mins) for different equipment cleaning, so that dust has nowhere to stay.This air blower has a LED light irradiation-point, LED lights automatically illuminate when turned on cordless air duster, allowing you to easily clean up dark corners, bringing great convenience to your cleaning. With its ergonomic shape and cordless design, air duster for computer is small, lightweight, comfortable to hold, and space saving, convenient to carry around.Keyboard cleaner can be recharged and used repeatedly. The computer air duster has a built-in 8000mAh battery, which can run continuously for 20-30 minutes. The car duster comes with a Type-C cord fast charging cable (adapter not included), which can be charged by computer, or mobile power supply. Compressed air dusters battery protection design, Do not charge when the machine just finished using, the battery temperature is too high, please wait 10 minutes to cool down before charging.The rechargeable air duster comes with 4 nozzles, and 2 brushes for multi-scene cleaning, which meets different needs. The thin and long nozzle makes it easier to clean dust from anywhere you want: computers, keyboards, cars, fans, air conditioners, etc electrical and electronic equipment; household cleaning of lily windows, sofa, corner crevices, etc. The multifunctional nozzle is used to inflate swimming rings, yoga balls, air mattresses, beach toys, etc. Use the brush to better clean the dust.