Wind speed: There are 3 wind modes, which can be switched freely through the power button: the 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.No matter where you go, it's the perfect companion on those hot summer days, keeping you cool while traveling, waiting in line, or playing sports. 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. The anti-slip handle design is ergonomic, the portable fan is very convenient even for small hands to hold, and shape of the lollipop makes it an for fashionable , , men, women and children. Colour:Black Material:Plastic Package Contents: 1 * mini fan Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.