Portable Strong Cooler Mini Fan LED Light With USB Rechargeable Battery Product Features: · Unique structure. fashionable · Small and exquisite. easy to carry · Ball fan. wind strong and durable · Digital control. simple operation · Machine welding. stable and reliable · 18650 Lithium-ion battery. lasting power · Battery is removable. easy to replace · USB connector. easy to charger · High efficiency and low loss. energy saving and environmental protection Specification: · Output air volume: · 3-Speed 873 L/Min (work time about 2 hours) · 2-Speed 459 L/Min (work time about 4 hours) · 1-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: 4 to 5 hours · Dimension: 140*106*42 mm Package Included: 1 x Fan 1 x USB Cable 1 x 18650 battery