Archive: The structure of these mini small portable multi-functional rechargeable fan is unique and fashionable. This fan is 3-mode of wind speed and 1 mode of led light. It assembled german brushless dc motor, 100% bare cooper to ensure the high winds and long-life. It is intelligent control system, reliable performance, which is fully functional and easy operation. In this fan using the international standard 18650 capacity lithium batteries, that can be recycled and low cost & more universal. A professional portable fan with integration of design, simple appearance and solid structure.<br />led indicator : yes<br />battery type : 18650 lithium rechargeable battery<br />output air volume : 1-speed 873 l/min (work time about 2 hours) 2-speed 459 l/min (work time about 4 hours) 3-speed 242 l/min (work time about 8 hours)<br />output power : 4.5 w (max)<br />battery : 18650 lithium-ion battery<br />charger : yes (usb cod)<br />input voltage 5v<br />output current 0.5-1a<br />charging time : about 4-5 hours.