Features:The quiet design, long-term endurance, high efficiency and stability, bring you a fresh wind.You can put portable fan in your pocket or bag, also can wear this fan on a lanyard around your neck.Go to work, travel easy to carry.USB Rechargeable: Battery powered, the USB cable that compatible with any USB port.This mini fan whistle shape for easy grip, built-in battery eliminates the need to place batteries. It's an gift for kids girls woman, man.Perfect for indoor and outdoor use, the personal fan can produce natural wind to keep you cool when reading, doing sports, waiting in line and travelling, it would be your best partner in such hot summer.. Color: Yellow, Materials: 100% Plastic, Size: One Size: 8.5cm x 13.3cm x 4.5cm, Care: N/A.