??LARGE BATTERY CAPACITY OF 4000 mAh – UP TO 23 HOURS OF USE?Built-in battery allows for more convenient charging and use. Larger capacity of 4000 mAh provides 5-23 hours of cable-free use.The charging time must be within 4 hours. Remember not to charge too long. The adapter and the cable for charing the fan need to meet the standard of 5V/0.5A. Please use the FAN in accordance with these standard. If you do not operate in accordance with these standard, shall be liable for the loss by customers
??SOFT WIND - MORE QUIET FOR INDOOR USE?Brush-less motor works quietly, and noise at speed 1 is as low as 20-30 db. Suitable for both indoor and outdoor use
??STRONG AIRFLOW – ADJUSTABLE 3 SPEEDS?Provides 3 speeds that can be adjusted through pressing the power button. The airflow is very powerful and can be adjusted among low, medium, high according to your demands.Three-speed design provides you more choices in different temperature environment.
??USB CHARGING + FREE STORAGE BAG? Compatible with all USB output devices, including 5V output chargers, computers, and powerbanks. New fan comes with storage bag; fold the fan and put it inside when not in use. Put everything together into your purse or backpack to avoid something else accidentally turning the fan on.