USB Fan with 5 Blades and Brushless MotorFor powerful breeze with lower noise (between 20 - 30 dB). USB fan keeps you cool and makes a minimum sound so you can work, read or relax without distractions. If the noise is less than 60dB and does not disturb others. Strong airflow and low noise the 3 airflow speed fan can be adjusted to your requirements. Comfortable first speed with sound below 20 dB, suitable for sleep; Nature Second Speed for work and study; Cool strong third speed so you can enjoy your outdoor leisure time. USB power supplyUSB fan with USB port, 1.2m long USB cable, compatible with 5V output devices such as computers, laptops, power bank, portable chargers, and other USB port devices. Perfect For Indoor And Outdoor Activities. Portable USB FanMiNi fan small (12.5 * 12.5 * 5cm) and exquisite, easy to put in a bag. The fan can be turned horizontally or vertically, allowing you to adjust the direction to your own position. The small noiseless fan is perfect for use at home, office, desk, camping or traveling. Cool your summerThe mini fan has a small appearance and a strong airflow. You can carry it in your backpack and keep it cool anytime, anywhere. (USB fan/hand fan/fan small/mini fan/usb fan small/pc fan/usb hand fan battery operated/hand fan small/hand fan USB /hand fan for kids/hand fan with battery/fan hand) is perfect for office, home, dorm, study,