Specification: Button switch, three-speed wind speed click to switch; Capacity: 2600mAh (3.7V/7.4Wh) lithium battery; Working hours: 1st gear about 8 hours, 2nd gear about 4.5 hours, 3rd gear about 2.5 hours; Charging time: about 2-3 hours; Size: about 21*16.8*5.6cm; Net weight: about 0.216kg; Material: ABS/silicone/304 stainless steel;   Charging Instructions: Please use the standard Type-C interface charging cable to charge the fan;   Indicator status description: Blue light flashes slowly: the fan is working normally; Red light is always on: the fan is charging; Blue light is always on: the fan is fully charged; The red light flashes quickly: the power is less than 10%, and it will automatically shut down after 30 seconds; the red light flashes (three flashes), the power of the fan is seriously insufficient; the light does not light, the fan is turned off.   Features: 1. This product has unique structure and novel style 2. Intelligent control, complete functions, simple operation, stable performance and safe use 3. Simple and generous appearance, firm structure, small size, light weight, and easy to carry. It is a companion for travel and outdoor sports. 4. 3 wind speeds: three gears adjustable, first gear breeze, second gear natural wind, third gear strong wind   Package incldued: 1* Fan with Charging Cable