DC Desk Air Circulator, compared to normal desk fan, it is equipped with vortex fan blade, aerodynamic turbo and multi oscillation angles to offer strong wind to every place in the room.Vortex Fan Blade Design and Aerodynamic Turbo Design offers maximum air movement;Air velocity is more than 7m/s, could fast indoor air circulation when using together with air conditioner or heating system; 360° horizontal oscillation and 80° vertical oscillation could supply air to anywhere in the room;DC motor with more speed settings and lower noise, could save energy as well. Igenix