White USB Fan, Mini Fan, Silent Fan, Portable Silent USB Fan 3 USB Adjustable Speed, USB Fan for Camping, Office, Sports, Travel, USB Powered [Upgraded Version] 5 Blade Brushless Motor USB Case Fan: Produces a strong breeze with low noise (between 20-30dB). Keeps you cool while producing minimal noise, allowing you to work, read or relax without interruption. [3-Speed Control] The fan has 3 airflow speed settings that can be adjusted according to your requirements. Comfortable first gear with noise below 20dB, conducive to sleep; second speed natural design, suitable for work and study; cool and powerful third gear, helping you enjoy outdoor leisure. [Portable and Compact] Small (12.5x12.5x5cm) exquisite, easy to put in your bag. Lightweight (0.18kg), perfect for outdoor activities and travel, or just put on the table. [USB Powered] With a 1.2m long USB cable, it is compatible with 5V output USB devices such as computers, laptops, power banks, portable chargers and other devices with USB output. [Keep Your Summer Cool] (USB Fan/Mini Fan/Silent USB Fan/USB Fan/USB Computer Fan) brings you a gentle breeze to keep you cool, perfect for offices, homes, dormitories, study rooms, libraries, leaving no space, and is also ideal for your baby to sleep peacefully.