Advantages: 1. This turbo fan is simple in design, reasonable in structure and powerful in performance, with air speed over 45m\/s.2. 32mm diameter customised low-voltage brushless high-speed motor (32mm motor proclaims 4-pole sintered magnet, 12.6V voltage, high efficiency, low heat generation, low power to produce strong wind power, performance far exceeds 28.8mm 2-pole motor).3. Built-in 13 -size blades, made by precision CNC machining. 3 built-in 18650 power batteries (the capacity of a single battery is 2500MaH), long-lasting (the most high-grade can be used up to about 15 minutes)4. 30A ESC, low heat generation; 150W maximum power, strong performance. using type-c interface, support PD fast charging agreement5. support infinitely adjustable speed function, can adjust any wind speed, press and hold to start, release the button to stop. Better practicality, more extensive use of the sceneFeatures.110,000 RPM unrivalled powerful airflowUltra-quiet, high-performance brushless motorEnergy saving design, cost saving13 fan blades for maximum efficiency and durabilitySpecial Notice.1. fan power, full speed long time running attention to heat, the body temperature rises, pay attention to rest or reduce speed, long time running recommended medium-speed2. when charging and discharging, please put it in a ventilated place, no combustible materials around, when its wind speed is significantly reduced in time for its charging3. its shell for 3D printing, handmade DIY and become, there are slight defects is normal.Material: plasticcolour: blackPackage Contents:1 x Turbo Air Fan1 x Magnetic wind nozzleOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.