1 - COMPRESSED AIR DUSTER: canned air duster for computers is an efficient alternative to traditional electronic duster spray, saving you the expense of buying compressed air can by eliminating the need for replacements. This air blower is designed for convenient portability and ease of use in removing dust from hard to reach areas. 2 - POWERFUL CLEANING PERFORMANCE: compressed air duster delivers a continuous stream of high-pressure air to effectively remove dust and debris from any electronic device. PC air duster is Indispensable for places where space is tight. 3 - VERSATILE USAGE: canned air duster for computers features a compact size and easy-to-grip design. The keyboard duster is perfect for cleaning cups, keyboards, computer mice and workstations, labs, repair benches and households. 4 - AIR DUSTER CAN: compressed air duster assembling and cleaning the duster is simple and hassle-free, requiring no complicated setupjust sticking the red straw into the nozzle. There is a small plastic part that prevents the trigger from being pushed to release the air, this plastic needs to be broken and removed before the trigger can begin to work. 5 - COMPLETE SATISFACTION: air duster for pc adopts a stylish and simple aesthetic design. is committed to creating high-quality compressed air dusters, and we are always available to address any queries or concerns you have. WARNING: The dust blower contains flammable gas, please keep it away from fire!