Product Features: Our new desktop mini fan combines convenience, efficiency and silent operation into one. It is a compact device with an internal rechargeable battery, eliminating the need for continuous connection to a power socket. It is suitable for various environments. The fan offers multiple speed settings, allowing users to adjust the airflow according to their preferences. Moreover, its silent design ensures minimal noise, providing a comfortable and undisturbed environment.  Application scenarios:  Office Use: Perfectly suitable for office desks in home offices or company environments, it offers a personal cooling solution without disturbing colleagues. Student Dormitories: Ideal for shared spaces, this quiet and portable fan can bring coolness to a stuffy dormitory environment. Home Use: Applicable to bedrooms, living rooms or any room that requires immediate cooling, especially on hot summer nights. Travel and Outdoor: Compact and lightweight, this fan is easy to carry and suitable for camping, picnics or any outdoor activities that need a gentle breeze.  Specification: Battery life: Equipped with a high-capacity lithium battery, the fan can run continuously for up to 8 hours after a single charge, depending on the wind speed setting. Charging method: Convenient charging via USB, compatible with mobile power banks, laptops, and standard USB wall chargers. Color: Random color distribution. Each fan is presented in a surprise color, adding a touch of fun and uniqueness to your space. Fan blade material: Plastic Battery: Rechargeable large lithium battery Motor type: Brushless motor Noise: Below 36dB (inclusive) Built-in battery capacity: 2000mAh - 4000mAh Rated voltage: 3.7V Wind speed setting: Offers multiple wind speed options, allowing users to customize the cooling experience from gentle breeze to strong airflow according to their needs. Safety features: Equipped with overcharge protection and automatic shutdown when the battery is fully charged, ensuring safe and reliable use.  Note: The random color allocation adds surprise and diversity, making each purchase an unique experience. No matter whether you receive a serene blue, a bright red or a peaceful green, this fan promises to offer the same outstanding performance and quiet comfort.  Experience the convenience and comfort of our new desktop mini fan right away - it is the perfect choice for your daily cooling needs, integrating functionality, portability and style all in one!