Usb Desk Fan, Small But Powerful, Personal Portable Quiet 3 Speeds, Adjustable Mini Table Desktop fan for Cooling Home Office Car Summer Travel.... Classic Design and 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