Technical Parameters: Number of batteries: 1 section Battery voltage: 3.7V Input: 5V 1A battery capacity: 1x2000mAh 18650 lithium battery Power and duration: Power 2.4W | The use time is about 2 hours Effective wind speed: ≥4.8 m / s Way of working: USB powered or powered by lithium battery

Batteries : 1 A batteries required. (included)
Package Dimensions : 19 x 14.8 x 13 cm; 370 Grams
Item Weight : 370 g
Included Components : Batteries included

Important information
Legal Disclaimer:
lease use the model 18650 lithium battery as the power supply for the battery. Do not use the battery with voltage higher than 4.2V or lower 3.7V as the power supply, otherwise it will not work or be damaged. Please use the 5V voltage charger or 5V USB port such as computer or mobile power supply for charging. Do not use a charger that is too low or too high for charging. When the fan is working, do not insert hard objects or fingers into the fan protection net to avoid damage to the fan blades and damage to your body. Do not manually stop the fan blade to avoid burning out the control circuit or fan motor due to excessive current.