28.8mm Brushless Motor Jet Fan Silent High Power 110,000RPM Turbofan Dust Blower Cleaning Tool Type-C Interface Support PD Fast Recharging Protocol Adopting 28.8mm diameter low voltage brushless high-speed motor, 8.4V working voltage, silent and strong wind. Adopts 30A electronic speed control, low heat , 150W maximum , and strong performance. This fan is simple in design, reasonable in structure, and powerful in performance, the peakwind speed is over 45m/s. Built-in 2pcs battery batteries (the capacity of a single battery is 2500mAh), long endurance, the highest grade can last to about 15 minutes. Built-in 13 large-sized fan , which are machined by high-precise for high durability and efficiency. Pocket fan design, compact in size, easy to carry, with better utility and wider application scenarios. Unrivaled powerful airflow at 110,000rpm, one-button enhanced mode, press and hold to starts, release button to stops. Adopts Type-C interface, supports PD fast recharging protocol, energy saving design, and cost saving. This jet fan is simple in design, reasonable in structure, and powerful in performance, the peakwind speed is over 45m/s. Adopting 28.8mm diameter low voltage brushless high-speed motor, 8.4V working voltage, silent and strong wind. Built-in 13 large-sized fan , which are machined by high-precise for high durability and efficiency. Unrivaled powerful airflow at 110,000rpm, one-button enhanced mode, press and hold to starts, release button to stops. Adopts Type-C interface, supports PD fast charging protocol, energy saving design, and cost saving. Specifications: Battery: 2 * battery battery Material: plastics Name: Jet Fan Package weight: 290g / 10.23ounce (included) Package size: 150 * 100 * 30mm / 5.91 * 3.94 * 1.18in Motor: 28.8mm brushless motor Rotation speed: 110000rpm Note: Fan of high , the temperature will rise after full speed long time running, please pay attention to rest or downspeed. Medium speed is recommended for long-term operation. When charging and discharging, please put it in a ventilated place, with no combustible materials around, if the wind speed is significantly reduced, please recharge it in time. Its housing is 3D printed DIY handmade, there are slight defects on the surface as a normal phenomenon. Packing List: 1 * Jet Fan 1 * Wind Nozzle