Features: Size165*85*25mm Weight90g Voltage Working Range: 5(V) Interface Type: USB-C Color: Pink, White, Green, Blue, Package Includes: Hand Fan x1. USB C USB Charging Cable x1. Base x1 Wind speed: handheld fan with 3 adjustable speed, which can be switched freely through the power button: the first gear is gentle wind, the second gear is natural wind, and the third gear is strong wind Power supply: Self-contained battery, also can be powered by USB: Compatible with computers, laptops, portable chargers and other devices with USB output. Mini Design: Easy to carry and can be easily put into the bag for storage.With base, it can be placed on the desktop.Perfect mini silent fan for office, home, dorm room, study room, library, game room or outdoors.