This multi-functional fan is designed for everywhere use. The big clamp supports it to stand as table fan, clip on flat surface like desk treadmill or pole like baby stroller, additionally, it has a foldable hook hidden on the clamp, so you can hang the fan on tent, umbrella, wall. Built in with 5200mAh Li-ion battery and USB cord. This is perfect for indoor and outdoor use, such as for table, bedroom, camping, gym, etc. It is with 4 speed settings to meet your different cooling needs, especially for Natural speed, the different wind speed varies every 3-10 seconds, simulating the natural wind for more comfortable use. There are 3 timer and 3 LED brightness settings for choices, 350° spin rotation function helps make the fan for more friendly use. Also it features with power output connection for phone, which can be used as a power bank.