The structure of those fans is unique and fashionable. 7 colors. 3-mode of wind speed and 1 mode of led light. German brushless DC motor,one hundred% bare cooper to verify the high winds and long-life. Intelligent regulate system, reliable performance, which is fully functional and easy operation. The use of the international usual 18650 lithium 2200mAh Capacity batteries, that may be recycled and low cost, more universal. A professional portable fan with integration of design, simple appearance and solid structure. Note: The wind is weak when fan without lithium battery installed but connect to power cable. Specifications Colors: Rely on availability LED Indicator: Yes Battery Type: 18650 Lithium Rechargeable 2200mAh Capacity Battery 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) Output power: 4.5 W (Max) Battery: 18650 Lithium-ion battery Charger: Input: one hundred-240V AC Output: 5V 1A DC Charging time: about 4-5 hours Fan Charged Method: Micro USB Cable connect to USB Port of PC/notebook and so on, or by power adapter (Now not included).
about 4-5 hours Fan Charged