1. Motor compressed air dust collector - maximum speed 50000 RPM, blowing force 1.86-2.51OZ. Generate a concentrated super strong airflow to remove debris and dust from any space. Easily clean any corner. While maintaining strong power, lower energy consumption, longer lifespan, and lower noise. 2. A powerful vacuum cleaner system - not only an air cleaner, but also a vacuum cleaner. 3. The perfect design combines compressed air dust collector and vacuum cleaner, with the front end capable of blowing dust and the back end capable of vacuuming, making it easy to keep the room clean. 4. Multi purpose electric compressed air dust remover and vacuum cleaner - suitable for various scenes: you can remove debris, hair and dust from computers, keyboards, sofas, air conditioners, camera lenses or cars, and burn charcoal in barbecues, swimming pools, and yoga balls. You can also use it as a vacuum sealing machine to extract air from the storage bag to save your space. 5. 3 speed modes and over 10 nozzles and brushes - Cordless air dust collector with wind power up to 50000 RPM, super capable for blowing Portable, powerful, and versatile air dust collector, designed specifically for cleaning keyboards in cloth space. The super strong air thrust can blow away hidden dirt and penetrate the narrowest areas. The convenient design of cordless and compact size makes it easy to carry; In addition, our air and vacuum cleaners are equipped with multiple nozzles to meet various application scenarios USB/TYPE-C, can be connected to phone charging High definition digital screen display for more intuitive display Wind force: 1st gear:25g 2g 25000 rpm 2nd gear:35g 2g 37000 rpm 3rd gear:45g 2g 50000 rpm Power:68W Input voltage:5V-2A Battery capacity:2000mAh * 3 Charging time:3.5-4H Wind speed and flow rate:50000RPM Type:A:Without filter elements,dust cup Colour:Black