The compact and lightweight electric-driven device has the same grip as a manual air blower.It has the same usage habits but features a more powerful driving core and higher dust-blowing efficiency. Product Features Used for cleaning surface dust particles of photographic equipment and various digital devices. 2 - speed adjustable wind speed, with a maximum wind speed of 40 km/h and a maximum dust removal pressure of 2.6 kPa. Built-in 4.8 Wh high-performance polymer lithium battery, supporting continuous uninterrupted work. Self-contained intelligent lithium battery management system (USB-C charging interface). One-way air inlet to prevent secondary pollution caused by dust re-inhalation. High-density filter effectively filters air dust. Equipped with a battery level indicator light to prompt the remaining battery power. The detachable nozzle is made of high-quality silicone material, effectively protecting equipment. The outer shell is made of high-quality PC material, which is sturdy and durable. Product Parameter Parameter Value Input 5V - 2A Rated Power 30W Battery Capacity 4.8Wh Number of Cleanings on Full Charge High-speed gear: about 90 timesLow-speed gear: about 210 times(Calculated based on 10 seconds of continuous cleaning each time) Rotational Speed 40000RPM Wind Speed High-speed gear: 40 km/hLow-speed gear: 15 km/h Dimensions 47mm × 47mm × 92mm Weight 99g Two cleaning modes