Take this portable fan with you on-the-go for cooling comfort anywhere your plans take you. Multiple adjustment settings allow you to easily hang it from the handle, or stand it upright on your desk for use virtually anywhere. Powerful, single-speed design lets you feel the air movement up to 3' away. DC motor ensures efficient operation to save you up to 50 percent on energy costs when compared to AC motors. Dual-power operation can be operated by either USB or four AA batteries (sold separately) to ensure you can always access your fan.