SpecificationName: 130000 RPM Portable Handheld Powerful FanMaterial: PCSurface texture: brushed metal textureRated Input: 15wVoltage: 7.4VCapacity: 8000 mAhTurbo fan: aluminum alloyNumber of blades: 13Gear: Continuously variableMaximum speed: 130,000rpm10%Maximum power: 120WProduct size: 140x80x46mm/5.51x3.15x1.81 inchesDESCRIPTION8000mAh Rechargeable: this mini jet fan has 2 built-in high performance batteries; good battery life, 1 level can be used for 4 hours. Equipped with USB cable, easy to charge.POWERFUL PERFORMANCE: This mini jet fan has a stylish appearance and good construction. With a maximum speed of about 130,000rpm and a peak wind speed of over 52m/s, it has a strong performance. Perfect for all kinds of dust removal.QUIET OPERATION: This mini jet fan features large-sized blades precision-machined with CNC technology to provide strong airflow while operating quietly. Enjoy a fresh breeze without disturbing noise.STEPLESS SPEED REGULATION: The mini jet fan features stepless speed regulation, which allows you to easily adjust the speed, slow-medium-high. You can customize the desired blowing speed as needed. Mini jet fan blower is compact and portable, suitable for outdoor use.SAFE TO USE: This mini jet fan is equipped with a 30A electronic speed controller that effectively manages heat and delivers 120W of maximum power. Safe to use, you can experience powerful and efficient performance without compromising safety or comfort.