Product name: hanging neck fan Material: ABS Battery capacity: basic fan: 2000mah, cooling fan: 3000mah Wind speed: 3 gears adjustable, speed 3500-4500 rpm Rated power: 2-7W Input voltage: 5V Input current: 1A Working hours: 3-8H Interface type: TYPE-CPackage List Hanging neck fan*1 Charging cable*1 Manual*1 Due to the lighting effects and shooting angles, there is color difference in the product, please understand.Due to manual measurement, there is a tolerance in the product size. 11. Adjustable angle and foldable storage: All-round cooling, flexible angle adjustment brings you a more comfortable feeling and frees your hands. The 150 foldable design is also conducive to storage and carrying, as well as adjusting the wind direction. 22. Upgraded design: 18 surround air outlets to exhaust air in all directions, squeezing the air duct, and increasing the wind speed. 33. 24 Double-turbo thickened fan blades: all-inclusive fan blades, safe without curling and twisting. 44. Ultra-long battery life: Basic model: 2000mah, cooling model: 3000mAh, can work for up to 3-8 hours, easily meet the needs of a day's use. Quick charge 2-3 hours. 55. 3-Speed wind adjustable: Breeze, refreshing, strong, suitable for different occasions and different groups of people. Save energy and enhance the experience. 66. Features: Slope wind guide structure, the wind is milder. High quality ABS material, comfortable to wear. Using ETC cooling chip, cooling + blowing double cooling, the coolness is doubled again (only for the cooling model).