1. Two-speed wind adjustment and one-speed silent mode allow you to enjoy the soft sleep wind and two-speed strong wind mode, simulate the charm of nature and enjoy the free natural wind. 2. The reason why Shuang Ye designed double wind power, low noise and large air volume is because of the special structure of double reverse fan wings, which combine the fan wings with different orientations at a good angle, so that the two functions of large air volume and low noise can be realized at the same time. 3.Adjusting the pitch angle up and down by 3.30 is more humanized and convenient; The reason of low noise and large air volume is the special structure of double reverse fan wings. 4. Dense rear net cover, the hand guard can be disassembled and cleaned at the same time. Unplug the USB plug, twist it counterclockwise and disassemble it backwards. 5. Non-slip base, intimate design, triangular non-slip base at the bottom and tips posted to make you safer to use; Turn the button to adjust the wind speed in two gears, adjust the wind power in the right side, and turn the left side to zero to turn off the fan.Products from Chunchuan's store