1、POWERFUL CLEANING: With up to 18500PA powerful blowing force, this cordless air duster is ideal for cleaning dust, debris, sand, pet fur, and hard to arrive areas in your car or at home. 2、ADJUSTABLE SPEED: The electric air duster features three adjustable speed gears with a maximum speed of 98000rpm, allowing you to adjust the blowing force according to your cleaning needs. 3、LONG LASTING EFFICIENCY: The portable air duster provides non declining and non heating blowing force, ensuring efficient and quick cleaning of the stubborn dust. 4、SAFE AND SECURE: The cordless air blower comes with temperature protection, over voltage protection, over current protection, and short circuit protection, ensuring safe and secure operation. 5、QUIET CLEANING: With a noise grade of 72DB, the electric keyboard cleaner offers powerful blowing force without disturbing others, letting you enjoy peaceful cleaning at home or in the office. 1 x Air Duster5 x Nozzle3 x Brush1 x USB Cable1 x Storage Bag1 x User Manual Item Type: Air DusterMaterial: ABS, PC, Stainless SteelBattery: Rechargeable lithium battery 2500mAh x 3 (built in)Power Supply: 5V 2A QC: 9V 2AGear Power: First gear: 50W, second gear: 70W, third gear: 90W (Maximum 100W)Gear Speed: First gear: 50000RPM, second gear: 70000RPM, third gear: 98000RPMBlowing Force: First gear: 1.33OZ, second gear: 2.4OZ, third gear: 3.18OZPower Range: First gear: 40 minutes, second gear: 30 minutes, third gear: 20 minutesInterface Type: TPYE CFilter: Stainless steel meshBlowing Force: 18500pa