Hands-free hanging neck design: Stylish hands-free fan design allows you to put your hands anywhere; fashionable style makes you look cool. Hanging on the neck, suitable for weather travel warm, very suitable forindoor and outdoor activities. 3 Speeds Adjustable: The advanced brushless motor supports 3 wind speeds. Press the power button to adjust the appropriate fan speed. The strong airflow keeps you cool. Hang the Cooler Fanaround your neck and take it with you. USB Rechargeable: Built-in 1500mAh lithium battery, it can work for 3-10 hours after fully charged. Equipped with a USB charging cable, it can be powered by any power source withUSB output, such as mobile power supplies, laptops, computers, power adapters, etc. Exquisite and compactThe USB mini fan is made of professional high-performance brushless motor, with faster speed, larger air volume and lower noise. This portable fan is suitable for the family, thekitchen, travel, outdoor activities, office, personal cooling, with 90 foldable stand is also a great personal desk fan.