[ Upgraded Version ] USB fan with 5 blades and brushless motor: For a powerful breeze with lower noise (between 15-30 dB). Fan USB keep you cool while making minimum noise so you can work, read or relax without distractions.[ Hand Fan 3 Speed Control ] The fan with 3 airflow speed settings can be adjusted to suit your needs. Comfortable first speed with noise below 20 dB, suitable for sleep; Nature second speed for work and study; Cool strong third speed so you can enjoy your leisure time outdoors.[ PC Fan Portable and Compact ] MiNi fan small (12.5x12.5x5 cm) and exquisite, easy to put in a pocket. Weight (0.18 kg). Perfect for outdoor activities and travel or just put it on your desk.[ USB powered ] USB powered fan with USB connector, 1.2m USB cable, compatible with 5V output devices such as computers, laptops, powerbank, portable chargers and other devices with USB output.