Mini Pocket Fan: This necklace fan measures 5.3 x 3.2 x 0.9 inches, weighs 0.15 pounds and is designed to be portable so you can carry it in your pocket or bag and use it whenever you want. It's the perfect companion for traveling, waiting in line and exercising in the hot summer. It can also be a makeup fan that doesn't take up too much space for storage.Rechargeable battery: The personal fan is powered by an upgraded rechargeable lithium polymer battery for good charging and longer battery life. It comes with its own charging cable, which can be connected to a laptop, phone charger, charger, solar charger or car charger for charging via USB cable.Multi-function fan: Pocket fan with hand-held fan, plus matching sling, can be turned into a necklace fan. This hands-free fan is equipped with emergency lights and can also be used as a night light, with soft LED lights to accompany you through the night.Safe one-click operation: made of high quality ABS material, it is very safe for children and adults. Mini fan has 2 wind speed adjustable, small size but high power, can meet different cooling needs, just press the power button to change the wind speed setting.Versatile: This mini fan creates powerful natural winds to cool you down quickly and keep you cool forever. Ideal for summer travel, outings, outdoor sports, lining up, basketball, World Cup, soccer games, athletes, outdoor workers, travelers. It would be an ideal gift for children, girls, and men.Ultra-portable. Take it anywhere.The mini portable fan measures 5.3 x 3.2 x 0.9 inches and weighs 0.15 pounds. The flat shape is easy to carry, saves space and can be carried in a pocket or bag. On a hot summer day, the cool wind can bring a pleasant mood, which can be used by yourself or given as a gift to a friend.Class 3 personal fanThe small hand-held fan has a new copper motor built in and is powerful enough to support the blades running at very high speeds to generate strong winds. Just press the power button to adjust the wind speed, once for low winds and twice for high winds, which will give you a cool summer.