Stay cool on the go! Personal evaporative air cooler uses Hydro-Chill cooling jets and a mini fan to turn hot air into cool, refreshing air. Simply fill up the pocket-sized device with cold water. Cordless convenience, with up to 12 hours rechargeable run time (USB charging cord included). Three quiet speeds, ultra-fine cooling mist; built-in kickstand to set on flat surfaces. 6.75" l x 3.25" w x 1" thick.