Note: The plug-in model has only one gear, and the charging model has three gears. Retractable, foldable, easy to carry, with USB charging. 1. Wireless charging 2. Foldable 3. Wireless Design 4.2 In 1 Foldable Telescopic Fan 3 Gear Portable Fan Usb Rechargeable Mini Folding Telescopic Low Noise Fan for Outdoor Household 1. Item Type: Foldable Desktop Fan 2. Color: White/Green 3. Material: ABS 4. Power: 9W 5. Voltage: 3.7V 6. Charging power supply: 5V/0.8A 7. Battery capacity: 1200mAh 8. Charging time: about 3 hours 9. Working time: about 2-3 hours