Mini USB Rechargeable 3 Speed Fan

3-mode of wind speed and 1 mode of led light. German brushless DC motor,100% bare cooper to ensure the high winds and long-life. An intelligent control system, reliable performance, which is a fully functional and easy operation. Using the international standard 18650 lithium 2200mAh Capacity batteries, that can be recycled and more universal. A professional portable fan with integration of design, simple appearance, and solid structure. Note: wind is weak when the fan is not connected to lithium battery and installed connected to a power cable. Specifications Colors: Depend 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: 100-240V AC Output: 5V 1A DC Charging time: about 4-5 hours Fan Charged Method: Micro USB Cable connects to USB Port of PC/notebook etc, or by power adapter (Not included).