Portable size: Mini (4.8 inch frame) size saves space and allows easy hassle free portability. Classic design, concise packaging, in line with the trend. | Quite Operation: Made of brush less motor, more quite and use longer. can use 25000 hours or more, so this is a high cost performance small fan. Updated 5 blades, unlike 4 blades, it will quieter and more powerful. | Adjustable angles and wind: 3 speed settings allows you to choose the breeze you prefer. Choose the direction of the wind you want with 360 degree up-and-down adjustment. Super quiet, lower noise, the sound of soft wind mode is only 30 decibels. | Rubber pad on bottom: Widen frame on bottom with 2 anti-slip pad which make this personal fan stable and prevents from vibrations. | USB Powered: Universal Office Fan, this usb office fan is powered by a 3.9ft USB cable which can connects to a computer, laptop, power bank or other USB outlet to make you cooling.Minimum power Input :1A