Adjustable Wind Speed: Features 3 wind modes, switch freely by the power button Base Support & Phone Holder: The base makes the fan stand on the desktop more stable and can be used as a phone holder Mini Design: Easy to carry, can be put into your bag or use USB Powered: Compatible with computers, laptops, portable chargers and other devices with USB output Application: mini fan for the office, home, dorm, study, library, games room or outdoors