O2 Cool FD10002N0009 10" Portable Fan

Dual power sources: plug in with the included AC adapter or use 6 D-cell batteries (not included)Powerful 2-speed fan offers quiet coolingConvenient built-in carry handle makes it easy to moveCompact design makes it great for travel and easy to storeUp to 30 hours of battery life at low speed (actual battery life depends on the age and quality of batteries you use)