Xiang Wu F-2 High-Speed Folding Refrigeration Fan (Rechargeable / 199 Levels) Product Material: ABS+PVC Rated Voltage: 5V Rated Power: 5W Battery: 2000mAh Product Size: 54x56.5x156mm Packing Size: 66x66x186mm Executing Standard: GB4706.1-2005/GB4706.27-2008