Our 4-speed cooling fan, with built-in 7,200mAh rechargeable battery, allows for about 5 hours for full-charged, ensuring working 3-24 hours. Come with USB output port, can be worked as an emergency power bank for your digital devices. Its adjustable height and 180° tilting angle give you a desired wind direction and height to be as a desk fan or floor fan for your personal need. It is easy to fold up for convenient storage and taking out for outdoor using. 30-45dB Low noise provides you a good cooling lunch break and sweet sleep at night.
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