Feature: [Lightweight and Portable Fan] - The size of the puppy fan is about 7.5 x 7x 11.6cm, and the weight is 89 grams, very portable, not heavy to carry, very suitable for travel, hiking, camping ,Outdoor activities. [High Performance Battery] - The mini USB fan is powered by a built-in rechargeable 500 Lithium battery, charging for 2-3 hours provides 2-4 hours of continuous use. This handheld fan comes with a USB charging cable, you can charge it through a normal outlet, computer, car charger or any other device that has a USB port. [3 adjustable speeds] - 1st gear - gentle breeze, 2nd gear - refreshing double /, 3rd gear - strong wind, you can control the fan speed by pressing the power button repeatedly, which can keep you cool in the hot summer comfortable. [Adjustment Angle] - This mini portable fan can adjust the angle up and down 30 as you like, it can be used as a handheld fan when you are outdoors, and a mini desktop fan on your desk when you are in the office. Suitable for summer travel or outdoor sports. Specification: Material: ABS+Silicone Size: 7.5*7*11.6cm Voltage: 5V Rated power: 2.2w max Battery type: lithium battery Battery capacity: 500mah Charging time: about 2-3 hours Product usb data cable X1 mini fan X1 manual X1