Great Performance: Preferably all copper DC motor, effectively reduce the friction noise of carbon brush, high speed and low power consumption, quiet operation. Neck Hanging Type: Lanyard can be installed to enjoy cool and cool without holding a fan all the time to reduce the load, easy to wear all day. LED Real Time Display: The fan has an intelligent digital display screen, real time electricity and wind speed at a glance, very convenient to use. Multiple Gear: The fan has five adjustable wind speed, feel the rhythm of the wind, to meet the different requirements of summer cooling. Strong Wind: The design simulates the wind outlet of the aircraft engine, so that the wind is aggregated to form high pressure and quickly output strong wind.