1.[Powerful Deep Clean Cordless Air Duster]---This electric air duster has powerful cleaning capabilities. Motor speed can be increased to 51000RPM. With 3-speed wind speed design (51000RPM to 43000PRM), it provides super airflow, which can deeply clean the tiny dust of various equipment 2.[Rechargeable Electric Air Duster]---This Compressed Air Duster has Built-in large 6000mAh lithium. Equipped with USB charging port, fully charged (3H), after fully charged, it can work continuously for 30 minutes, the use time depends on the blowing force 3.[Eco-friendly & Save Money]---Rechargeable Air Blower can be charged and reused, and it does not contain chemicals and will not cause any harm to your body. Both energy saving and environmental protection. Helps you save money instead of constantly buying canned air 4.[Simple Design&Wide Application]---Whole black body, modern and simple style.Excellent workmanship, you can hardly see any seams.perfect for cleaning ranging from the computer, camera lens, laptop, air conditioners, sofa, printed circuit boards to electronic instruments, really anything that needs dusting