Compressed air dust collector [Stepless speed regulation] The electric air dust collector adopts a knob speed regulation design. You just need to turn it to the right to activate the air duster. Unlike most PC air dusters on the market, knob design allows the air duster to have no fixed wind speed. You can adjust the wind speed by simply turning it left or right, and you are free to get the precise wind speed you want. The air dust collector [Brushless Motor] is equipped with a brushless DC motor for longer service life. Not only does it have stable performance, but it can also produce a powerful blowing force of 3.04 ounces. The maximum speed of the air dust collector can reach 100500RPM. The noise is less than 80dB, low noise, while maintaining strong airflow to effectively remove dust. Get a quiet cleaning experience whether or in the office. Electric Air Duster [Compact Design]The cordless air duster has a metal coating appearance and compact design. Not only beautiful, but also comfortable to hold. Dimensions are: 6.67cm x 1.65cm. It weighs only 232 grams and is about the size of a palm. Easily fits in your pocket to clean dust and debris Keyboard Cleaner [Cleaning Tool] air duster comes with cleaning nozzles, 4 cleaning brushes, 1 keyboard puller and storage bag, specially designed for cleaning different areas. It can deep clean hard-to-reach dust indoors and outdoors, such as keyboards, computer boxes, cars, etc. The compressed air duster also comes with an LED light to clean dark corners even in the dark. Compressed Air Tank [Quick Charging]The rechargeable air dust collector comes with a Type-C data cable and can be fully in just 2.5 hours. Battery life is 15-270 minutes, depending on wind speed. The wind speed can be adjusted freely through the stepless knob. It is more economical and environmentally than compressed air tanks. It's perfect for household cleaning and dusting. material: metal Color as shown Package Contents: 1 set computer duster compressed air Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.