[Hands-Free Design]: The hands-free fan is designed as headphones, which can be worn on the neck at any time, freeing your hands, so that you can avoid the embarrassment of the suddenly dripping sweat in places audiences in many places. Lightweight structure design, the weight is only 260g. [Three-Speed ??Wind Speed ??Adjustment]: Three-speed wind speed, to meet your different needs, 360 ? surround, speed up the air circulation and avoid the physical discomfort caused by the direct blowing. Engine Brushless keeps the fan running quietly even at the highest speed and minimizes loss. [Portable USB Charging]: Built-in 2400mAh lithium battery fan powered by USB. No additional batteries are required. Small personal fan is compatible with most computers, laptops, chargers laptops and other devices with USB output. Working hours depend on different speeds. [Lightweight and Flexible]: The lightweight and mini design and the use of food grade silicone on the neck surface more closely fit the skin and can be adjusted at any angle for cooling and more comfort. The bladeless fan prevents your hair from tangling. It can be used for outdoor activities, barbecues, sports games, walking, climbing, etc. [After-sales Service]: We provide you with assured after-sales service. Your email will be processed within 24 hours. If you have any questions, please do not hesitate to contact us.