Free your hands: This mini USB fan has the curved design. This is why you can wear this hands-free fan around your neck without taking it with your hands. Your hands would therefore be free and you can jog, play the mobile phone or wheel drive etc .. 360 adjustable fan heads: The portable USB fan is equipped with 2 adjustable fan heads. The parts that connect to the fan heads are made of silicone and can rotate 360 . You can freely adjust the angle of the mini Turn the USB fan heads to adjust the desired wind direction. 3 adjustable speeds: Low / medium / high speed. Select the appropriate speed by pressing the power button. The fan, with a bracket for the neck, generates a strong air flow and can be used quickly and easy to use. It will relieve your hot flashes instantly. Hang the fan around your neck and take it with you wherever you go. USB rechargeable: The built-in, rechargeable 2000 mAh lithium battery is supplied with power via a USB cable. No additional batteries are required. The small fan is common with most computers, laptops, portable chargers and other devices with USB output. The usage time is approx. 2.5-6 hours, depending on the speed used. 100% guarantee: The high-quality fan has a low price. You will not be disappointed. We are responsible for our products and customers. If you have any problem with our product, please contact us first, we will solve them for you within 25 hours.