TOPK USB Fan 2 Pack Mini Desk Fans Quiet Operation, USB Powered Desk Fan, 3 Speeds and 360° Rotatable Head for Home Office Bedroom Desk Desktop

["Compact desktop fan: This fan is powered by USB and has three speed levels, a 360° rotation of the fan head, and can be operated by devices with USB interface such as computers and adapters. By pressing the button on the back of the fan repeatedly, you can choose between low, medium, and high speeds. The first level offers a speed of 4 m/s, the second of 5 m/s, and the third of 6 m/s.", "360° rotation and stability: The fan head of the electric fan can be rotated vertically 360 degrees, and you can tilt it to the desired angle to cool down quickly. The tabletop fan is equipped with 2 non-slip rubbers on the bottom to reduce vibrations and increase friction, making it more stable and preventing slipping even at high speeds.", "USB-powered: This portable fan is powered by a 1.2-meter USB cable and is compatible with 5V output devices. It can be connected to any device with a USB port, such as PCs, laptops, power banks, USB wall chargers (not included), car chargers, and any other USB-enabled power source. (Note: This fan does not include a battery).", "Quiet upgrade design: The quiet desk fan features 3 curved blades, reducing wind resistance and increasing the available airflow range. At the same time, it is equipped with a powerful, quiet brushless motor to reduce noise. Even at the highest speed, the noise remains at 40-50 dB.", "Compact size and application: With a size of 12 cm, this is a small mini fan measuring 12 x 12 x 5 cm and weighing 160 g, making it lightweight and space-saving. This portable fan is perfect for offices, desktops, dorms, homes, bedrooms, libraries, camping, traveling, or anywhere you need to cool down. The noise level is lower than 50 decibels, providing you with a quiet pleasure."]