1.Multifunctional Device: This computer duster can do more just dusting. It can also vacuum the crumbs and debris from your keyboard, and extract the air from your inflatable items. It is a handy tool that meets various cleaning needs. 2.Powerful and speed: Our air duster has a speed turbine motor that generates a super strong airflow. It can blast away dust and debris from any electronic device. It can clean every gap and corner with ease and efficiency. 3.Longlasting and Energysaving: This air blower has a builtin rechargeable lithium battery that can be charged via USB. It has a low power consumption and a long battery endurance, so you can use it for a long time without worrying about running out of power. 4.Portable and Foldable: With a 90degree foldable design, this cordless air duster is more convenient to carry and store. You can clean your devices anytime, anywhere with ease.