Feature: 1. SUPER POWERFUL AIR SPEED, DEEP CLEANING: Compressed air blower is equipped with a high performance brushless motor with a maximum speed of 160,000 rpm, generating up to 52m/s air speed, easily removing dirt from keyboards, electronic devices and various crevices. Whether it's your home, office or car, the powerful wind ensure that every corner is thoroughly cleaned, especially in hard to reach places. 2. THREE SPEEDS ADJUSTABLE: The keyboard duster is equipped with 3 adjustable wind speeds, which can be flexibly adjusted according to different cleaning tasks. Built in high capacity battery, equipped with temperature protection, current protection and short circuit protection, to ensure the safety and reliability of long time use and extend the life of the equipment. 3. HIGH HARDNESS AND HEAT TOLERANT MATERIAL: Air blower is not only strong, but also low heat generation, to ensure stable performance under high intensity use. Lightweight design and comfortable grip make use more convenient. Compared to traditional compressed air canisters, this cordless fan can be recharged over and over again without generating liquid or ice, effectively protecting electronics from water damage. 4. MULTIFUNCTIONAL: The pc air duster is equipped with 3 different types of nozzles, which are suitable for cleaning computer keyboards, laptops, cameras, car seats, blinds, sofas, pet hair, etc. It can also inflate inflatable beds, lifeboats, etc., and even be used for outdoor activities such as picnics, fires, and cleaning floors. 5. LONG LIFE AND PORTABLE DESIGN: The electric air blower has a built in 5000mAh high capacity battery, which can be used for hours on a single charge, and the standby time can be up to 30 days, meet the needs of a long time on the go. The lightweight and portable design provides you with efficient cleaning solutions at home, in the office or while traveling. Specification: Item Type: Electric Air Duster Battery: Li ion Battery 5000mAh (Built in) Host Size: Approx. 145 x 41 x 65mm / 5.7 x 1.6 x 2.6in Charging Time: 2.5 hours Theoretical Endurance: 4H (1st Gear) No Load Speed: 160000R/min Operating Voltage: 7.4V Operating Purposes: Device Dust Blowing, Vehicle Snow Blowing, Pet Drying, Outdoor Camping, Inflating Air Cushions. Package List: 1 x Electric Air Duster 1 x USB Charging Cable 1 x User Manual 3 x Nozzles