Description. 1. comes with elastic lanyard, elastic material, adjustable disassembly, free your hands, enjoy the natural wind sound bracket function, can be placed on the desk silent brushless motor, improve air circulation top has a wide angle, the wind is more concentrated light weight, easy to carry, will not take up too much space 2. Built-in high-power lithium battery, long life, use time of 90-300 minutes 3. Features: three speed regulation; low chanting and silent; rotating record; hidden fan blade design, fan blade full wrap safety. 4. Comes with a TYPE-C charging cable, plug-and-charge, button control switch, support for computers, rechargeable batteries, power supply, charging time of about 2-3 hours. Instructions for use. 1. Press to turn on the first gear, the second second gear, the third third gear, the fourth shutdown 2. Power input red light on, power output green light on, power saturation light off Attention. 1. The product uses a set of 3.7V lithium battery (not replaceable) 2. Can only be charged under adult supervision 3. The charging cable must be regularly checked for damage to its wires, plugs, shells and other components, damage should stop using, to repair intact