[Geek Aire High Air Speed Performance] 5 speed settings. Aerodynamic 6-blade design, Powered by durable brushless DC motor, moving air speed up to 27 ft/s [Detachable Power Bank] With 2600mAh high quality lithium-ion rechargeable battery. Detachable battery compartment can be used as a power bank to charge your digital gadgets. The fan can run from 3-9 hours depending on speed settings. [Easy Control with Intuitive Indicator] Simply press the power button to set speeds. Power button has blue LED light to indicate fan speeds. Battery compartment has white LED light to indicate power gauge. [Portable Lightweight Cordless Design] Mini and handheld design, great for portable use anywhere. Take it to the office, sports games, traveling etc. [Accessories] Comes with a charging dock for convenient charging and desktop use.The charging dock has a washable sticky rubber for enhanced stability. USB cable and hand strap are also included in the box.Worry-free safety: 5V low voltage. Built in PTC and CID circuit protection for enhanced safety.