[Operating hours duration]: This battery-operated LG 3350mAh fan can work between 3 and 13 hours depending on the speed (3 adjustable speed levels: speed 1 last 13 hours, speed 2 last 7 hours, speed 3 last 3 hours).[Portable Lightweight Design]: When you go outside, you can take it with you in your pocket, especially suitable for summer travel or outdoor sports. You can take it with you anywhere like NBA / World Cup qualifiers / soccer games or other activities.[Multi-function and double stand design]: With the foldable and telescopic design, the Benks mini fan can be used as a table / table fan or mini handheld fan. The top bracket is flexible and can be used for smartphones that are 0.39 inches thick.[40 degree rotation]: The Benks rotary fan swivels and tilts up or down - both actions can perform 24 degrees. Easily adjust the angle to the compatible angle you want. 5pcs fan blades give you a strong wind cooling feeling.[Detail]: The Power On / Off button is surrounded by LED light. Then you will see how much power is left. 5 pieces of soft blade provide a pleasant breeze, but not a lot of noise as with breeze.