Elikeable Portable Fan USB Mini Desktop Desk Table Electric Rechargeable Fan for laptop room home office outdoor travel 3 speeds settings,4.5 inch diameter,LED lights on the side Two power sources: outdoors powered by Li-ion battery and indoors by USB Working time: Charging time about 4 hours. Blowing time: 1 speed: about 8 hours, 2 speed: about 4 hours, 3 speed: about 2 hours A professional portable mini fan with integration of design , simple appearance and firm structure, LED lighting Portable mini fan powered by lithium rechargeable battery, house,office or outdoor,wherever you are, it always offers cool wind