Classic Design & Small Size - Classic design and more compact, less than 8 ounces, take up small space. It is very suitable for home, car, office, outside or traveling. Quiet Operation - The fan is very strong and the noise is less than 50dB even when a strong wind is provided. At work and rest, this is a good friend who is quiet and comfortable for you. Three-Speeds Setting - Low/medium/high-speed setting. Press the power button repeatedly to adjust the appropriate fan speed.