Wind speed adjustment function: This fan has 100 wind speeds, which can be activated by long pressing, bringing instant coolness, making it an ideal choice to resist the hot summer. Short press can adjust the wind speed between 1-5 gears (0-100 speed), and the air volume can be customized. Rechargeable battery: A single charge can be used for a long time, and the long-lasting battery life keeps you cool all day, making it an ideal choice for long work and outdoor adventures. Powerful heat dissipation: The high-speed fan is equipped with a powerful motor, and its heat dissipation capacity is twice that of traditional fans, making it suitable for outdoor travel in summer. User-friendly LED display: This fan uses one-touch control and provides two modes of long press and short press. In addition, it is equipped with an LED display to easily view the fan speed and remaining power. Portable and stylish: This fan is both stylish and portable, and can be easily put into any bag or pocket to enjoy coolness anytime, anywhere, showing a fashionable style.