Features: Advanced technology: stepless speed regulation, knob switching button, easy to control the wind speed.  SOS Cool light: equipped with Cool light, 4 lighting effects, can adjust lighting effects at any time, and cool appearance.  Charging upgraded: Equipped with a digital tube power display screen, real-time monitoring of remaining power, 60W super fast charging. Battery Enhancement: Equipped with high rate discharge, 16000mah (4000x4) long battery pack, 60w fast charging, strong performances, with about 10 hours on full charge.  Powerful performances: Equipped with a 64mm high-speed brushless motor fan set, good dust removal effect. Combined with scientific culvert design, the thrust can reach 1500 grams, the wind speed can reach 350km/h, and not burn under long loads. The power is strong, stable.  Multiple protections design: double over temperature protections, current protections, shortcircuit protections, combined with active cooling system, make this product excellent, safe. Specifications: Material: Carbon fiber composite material Color: black Base Size: approx. 4.50cm/1.77inch Size: approx. 20x10x7.50cm/7.87x3.94x2.95inch (more detail size please refer to pictures) Product Name: Mini X64 Professional Power: 750w Wind speed: 350km/h Thrust: 1500g Charging power: 60W (super fast charging) Voltages: 16.8v Cooling modes: Active cooling Charging method: Type C (charge display) Package Includes: 1Pc Portable Fan note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.