With the foldable handle design, the fan could be easily hold in hand and take it on the go, perfect for travelling, walking, hiking, climbing, camping, exercising, and more. With low / medium / high speed level, you can adjust appropriate fan speed as you like.Features: Unique design style, you can hang the fan above your umbrella or parasol. Can fold up to 180°, easy for storage. Small size, onvenient to hold in hand, also fits your handbag with its palm-size. Low / medium / high speed level, you can adjust appropriate fan speed as you like. Intelligent control system, reliable perfomance, functional and easy operation. Efficient power and conversion circuitry can minimize the loss to save energy and protect environment.Specifications: Main material: plastic Color: black, white, pink, blue, green(optional) Rated voltage: 5V Rated power: 3W Battery: 18650 lithium battery; 3.7V, 1200mAh (Not Included) Item size: 21.5 * 10.5 * 4.2cm / 8.46 * 4.13 * 1.65in Package size: 11.5 * 10.5 * 6.5cm / 4.53 * 4.13 * 2.56in Item weight: 106g / 3.74oz Package weight: 134g / 4.73ozNote: This product needs a 18650 lithium battery which is not included, you need to prepare a battery before you buy this product. Or you can use it with a power bank through the usb cable.Package list: 1 * Mini Fan 1 * USB Cable