Features: Safe and reliable: Compared with ordinary fans, its embedded turbos design not only keeps you cool, but also protecting you from any safety risks, such as the rotation of the leaves or placing them on your fingers. Three levels of wind adjustment, super wind power, free access to the right amount of airs and enjoy more comfortable cooling. The wind guide leaves can adjust the wind direction, left and right 30 degrees wind direction are adjustable, and the wind direction is locked. Drop-proof: All four corners are wrapped with drop-proof computer material, which can quickly disperse the impact of falling and completely protecting your machine from harm. Lightweight and compact: mini-compact, tailored to the waist, fixed clothespin design, easy to carry. Emergency mobile power: built-in 4000mah battery, 5A/2V, can be used for emergency charging of mobile devices. Widely applicable: suitable for outdoor fishing, camping, picnics, hiking, climbing, mountaineering, running, fitness and other activities. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Battery capacity: 4000mAH (3.7V/14.8WH) Working hours: 16 hours for low gear, 5 hours for medium gear, 3.3 hours for high gear Charging time: about 3-4 hours Product size: 10.9*8*4.9cm Package List: 1 x Portable Hands-free Waist Fan