The USB fan is perfect for stuffy rooms and offices. it uses 4 plastic blades and 3 soft silicone feet to prevent slipping and will not scratch the table, providing a powerful yet quiet breeze to keep you cool and comfortable. The fan's high-performance motor generates a strong wind that circulates air effectively. Despite its impressive power, the fan operates with minimal noise, so you can enjoy a cool and quiet environment. | USB power supply: There is a 3.9ft/1.2m 5V/1A USB cable behind the desk fan. With a simple USB cable, you can charge a wide range of devices, including smartphones, tablets, cameras, and even laptops. This means that you can easily charge your devices on the go, whether you're traveling, in the office, or at home；3W low power consumption, saving energy. | Metal structure & 360° adjustable tilt: The metal casing serves as a protective and resistant outer layer for the fan, helping to prevent any damage to the internal components and ensuring a long lifespan of the fan.; the head of the small fan can be rotated 360 degrees, and the blowing range is wider, allowing You feel the cool breeze from different angles at home, in the office, on the sofa bed near the desk. | Small and portable: 4-inch small fan,Its compact size and lightweight design make it extremely portable, it is easy to pack into a bag or luggage, making it ideal for traveling, camping, or simply using in the office or at home. | No assembly required: Open it and plug it in and you can use it directly. The operation is simple and convenient. It is also very suitable as a small present. It can be a cool present for your friends/family/classmates in the summer. | Notes:There is only one speed