Features: 1.Speed and The Strongest Cordless Cleaning: This is the most powerful air blower on the market, and it can easily blow dust away from anywhere. 2.Rechargeable Battery Fast Charging:Our dust blower has a built-in large capacity 4000mAh lithium battery and allow this duster to run long time continuously. Comes with USB fast charging cable, fully charged. It can be charged by computer, mobile power, car charger, adapter. 3.Energy-Efficient:The dust cleaner will not produce chemicals, liquids or freezing during cleaning. It protects your electronics from liquids. This air compressor can be used multiple times, resulting in significant energy savings. 4.Easy to Use: It is very easy to use. Long press 2 seconds to turn on 1 gear and light up, short press 2 gears to turn on, then short press 3 gears to turn on, long press 2 seconds to turn off. 5.Widely Used : Our air duster can be used for PC, keyboards, camera, sofa, window, plant, pet hair and other electronic devices. It is very suitable for deep cleaning of homes, offices and car interiors. Specifications: Material:ABSPP Product net weight: 325 g Weight with packaging: 425 g Product size: 111X69*X195 mm without tube Package size: 206X76X120 mm Package List: 1 x Blower