【???,??? ??? ???? ????-???? ???????】Compressed Air Duster Equipped With A High-efficiency Full-copper Motor And Dual-chip Technology. Energy Efficient & BMS .this Air Duster Delivers 300g Of Blowing Force At 180,000 RPM—50% More Efficient than Standard Motors. Perfect For Dust In Keyboards, Car Vents, And Electronics. 【???-??? ??? ??????? ???? ????-? ???? ???????? 】Air Duster Rechargeable With 3 *2500 Mah Capacity Batteries Provide 120 Minutes Of Continuous Use At 40,000 RPM (20 Mins At 180000 Max Speed). No More Frequent Recharging clean Longer Without Interruptions. Recharge Via Universal Type-C In 2 Hours. Advanced Dual-chip System Safeguards Against Overheating And Over-discharge, Extending Battery Life And Maintaining Peak Motor Performance. 【?-??-? ????? ?????????????】 This Compressed Air Features 3 Preset Modes (Low/Medium/High) For Quick Adjustments By Button second way is 12-level Stepless Control For Precision Airflow. Also The Special Indicator Light Lets You Effortlessly Track Speed Levels And Battery Life. Simply Press And Hold The Button For Instant Shutdown, Ensuring A Hassle-free User Experience.ideal For Delicate Electronics And Outdoor Tasks. 【????-????? ???? ????? & ??????? ??????】 The Electric Air Duster Built-in Anti-clog Mesh Prevents Debris From Entering The Motor, Maintaining Peak Airflow Efficiency And Durability. 300g In Weight With An ABS-metal Hybrid Body.Compact Enough For Travel, Tough Enough For Daily Use. 【??????-????? ???????????】 Compressed Air With 3 Nozzles And 3 Brushes Included, This Compressed Air Duster Is Perfect For Cleaning PCs, Keyboards, PS5 Consoles, As Well As For Home, Car, And Outdoor Use. It Also Doubles As An Inflator For Swimming Ring And Other Inflatables. One Tool, Endless Possibilities!The OFISPEED Air Duster Offer 24/7 Customer Support For Ultimate Satisfaction.