The inbuilt first- new copper made brushless motor is stronger and have longer lifespan than regular motor, which can support the blades run at high speed to produce powerful wind, the front cover have a fluid- mechanical design that can maximize air movement, the desk fan would be your best partner during the hot summer.table fan is not only powerful, but also quiet, you can barely hear it working at the low speed, and the working sound is lower than 50db at the high speed, it will not disturb what you are doing, the mini fan is perfect for studying, reading, working, sleeping,doing yoga, etc.The portable fan with 2 adjustable speed is adequate for your various cooling demand, just press the power button to change the speed, it will always keep you cool at the low speed, the high speed is strong enough to cool you down quickly after heavy sweat.Comes with the usb cable that compatible with all USB port, such as computer, power bank, wall chargers and any other USB-enabled power supply, you can simply plug it into the power supply for the whole day or night working.Designer four rubbers on the bottom of the pedestal help reduce vibration and increase friction, which keep the fan firmly in place to ensure airflow is being directed to the desired location and doesn't slip over when working even at the high speed.SIze: 16*16cmColor: dark blueMaterial: ABSPackage contents: 1* fan1* usb data lineOnly the above package content, other products are not included.Note: Light shooting 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.