High-quality Material: the fan adopts ABS plastic safety material, which is non-toxic and harmless, healthy and safe to use. The wristband of the fan is made of food-grade silicon wristband, soft and tight, easy to carry Powerful Nature Wind: This mini watch fan has 3 wind speed adjustable, you can simply press the power button to change the wind speed;owered by upgraded rechargeable polymer lithium battery, which can support the mini fan run 2-3Hours. LED color light: Built in LED colorful change light, lights will automatically change colors.It can be used as a warning and lighting at night, like colorful stars. Detachable design: the fan and the watch can be detachable and separated, and the angles can be rotated 360° left and right, wearable also be placed on the desktop, This design is more humanized and more convenient for your needs. Worth Having: You don't need to hold the ordinary portable fan with both hands. This pocket watch fan can generate strong natural wind to cool you quickly and keep you cool . According to your personal needs, It is very suitable for schools, offices, families, travel and camping.