5200mAh EXTRA LARGE CAPACITY: This is the latest version of neck fan, which can continuously work for 6-10 hours with built-in 5200mAh rechargeable lithium battery. So its ideal for most indoor and outdoor activities. . FREE YOUR HANDS: Stylish headphone shape design, just hang the fan around your neck, then you can take it to everywhere. The neckband is ergonomically designed, smooth and fluent, comfortable to wear. With the bendable tube, this portable fan can be hang around neck, hand held, stand on desk, mounted on the bicycle, or stay in your bag, . 4 ADJUSTABLE WIND SPEEDS: Depends on the environment, you can choose different speed of wind. Besides traditional 3 wind speeds(low/medium/high), you will experience natural wind simulation with this neckband fan. Imaging you walk by seaside and enjoy the wind, its tranquil and cozy. . USB RECHARGEABLE: This fan is USB rechargeable with the type-C cable included. It can be charged with computer, laptop, wall socket, car charger, power bank and other devices with USB output. Save yourself from heat at anywhere. . WIDE APPLICATION: This portable fan is ideal for many activities, such as housework, gardening, cooking, commuting, sports, cycling, walking dogs, especially for long time outdoor use like hiking, camping, traveling other situations under heat. Whenever you want to get some fresh air, you can wear this neck fan. .