Welltop USB Fan Dual Blades Oscillating Fan Mini Desk Fan 2 Speeds Personal Table Fan for Home Office Room Desktop (White) Oscillating Table Fan - This small fan could oscillate for wide area coverage (Approx 80). Just press the middle botton to turn on/off the oscillation function. Also you can easily adjust the fan up and down (Approx 30) to fit your needs. USB Powered Fan - Directly powed by a 3.6ft USB cable, this desktop fan can be connected to laptops, computers, power banks and other USB-enabled devices. It's compact size (4.5*6.5*3.9in) takes up very little counter space. Powerful Fan with Low Noise -This dual blade fan will cool you down quickly in hot summer. Two fan blades rotates in opposite directions driven by different motors to blow cooling breeze. The little fan works very quietly, provides you strong wind and peaceful life. 2 Speeds Personal Fan- 2 speed settings can be adjusted according to your demand. High airflow will save you from some very hot days while you are working in office without AC. Low airflow will meet your needs while you just want a little breeze. Ideal Personal Cooling Fan - Perfect mini fan that offers relief when you need some cool air circulation while working or sleeping in those hot days. Great for home office table use & bedroom cooling, etc. Portable for outdoor and travel as well.