Battery capacity: 2000mAh/3.7VInterface: MICRO-USBInput: 5V-1.0ANet weight: 230GWind speed gear: third gear (soft wind-stroke-strong wind)Size: 135*135* 59 MMPackage Included:1*1.After receiving the packaging, please check the packaging and the product carefully. If the received item is defective or has any questions, please contact us via email to resolve the problem. We will reply as soon as possible .2.Only the main products are sold, and the rest are decorations rather than sales.3.Please allow 1-3mm error due to manual measurement.4.Actual color will be slight difference between the picture because of the brightness.