Classic Design & Small Size: Classic design and more compact, less than 8 ounces, take up small space; it's 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 | Adjustable Wind: The fan head can rotate vertically from 0 to 30 degrees, providing the most suitable angle wind to quickly cool you down | High Compatibility USB-powered: Small desk fans powered by USB to save energy and are compatible with PC/laptops, mobile power supplies, AC adapters, car chargers, and other power supplies that support USB