3-Speed Adjustable: The desk fan is equipped with 3-speed airflow, Speed 1: soft wind, 3.1m/s, 1500rpm; Speed 2: high wind, 4.0m/s, 2000rpm; Speed 3: strong wind, 4.8m/s, 2500rpm; 3 wind speeds of the USB fan can reach your various cooling demands | Ultra Quiet: With upgraded motor, the table fan has stronger wind and less noise, max wind speed reaches 4.8m/s at highest speed; The personal fan is powerful and quiet enough to give you a comfortable working and resting environment | Small & Light Portable Fan: The travel fan size is only 5.5*5.9*2.2in, and about 6.5oz lightweight, so it can be easily carried in your bag for traveling; The cooling fan comes with a 4.9ft long cord, it's great for home, office, dorm, library | USB Powered Fan: The mini fan is USB powered, you can directly connect by PC/laptop, power bank, AC adapter, car charger or other USB-enabled power supply; Small fan is more energy-saving and more friendly to your electricity bill | Stable & Easy to Clean: The desktop fan can be tilted 90° to meet your different needs; The wide base is equipped with 4 rubber pads to reduce vibration and prevent the fan from slipping even when it's running at high speed