Mini Pocket Size: This necklace fan with 5.3 x 3.2 x 0.9 inch in size and 0.15 lb in weight,pocket fan with portable design, you can put it into your pocket or bag, so you can use it whenever you want. it`s a perfect partner in such hot summer to keep you cool when travelling, waiting in line or doing sports. Also it can be a makeup fan which would not take up too much space to storage. Rechargeable battery: personal fan is powered by the upgraded rechargeable polymer lithium battery, hold charge well and battery life is longer, it comes with the charging cable, you can charge it with USB cable by connecting it to laptop, phone charger, power bank, solar charger or car charger. Multifunctional fan: It is pocket fan and a handheld fan, and with the included lanyard, it turns into a necklace fan. This Hands Free fan comes with an emergency light, it can be also used as a night light, soft LED lights to accompany you to spend a wonderful night. Safe and One-Button Operation: Made from high quality ABS materials, very safe to use for both kids and adults. The mini fan have 2 wind speed adjustable,Small size but Powerful, can satisfy different cooling need, you can simply press the power button to change the wind setting. Multi- use: This mini fan can produce powerful nature wind to cool you off quickly and keep you always cool. Great for traveling in summer, go outside, outdoor sport, waiting in line, basketball , world cup, football game, ldeal for athletes, outdoor workers, travelers. It will be an ideal gift for Kids Girls Woman Man. Ultra portable, take it anywhere. This mini portable fan with 5.3 x 3.2 x 0.9 inch in size and 0.15 lb in weight. flat shape makes it easy to hold and more space- saving, you can put it into pocket or bag. Fresh and cool wind can bring joyful mood in hot summer, it's ideal both for your own use or as a gift for you friends. 4 level wind Personal Fan The Small Handheld Fan is inbuilt with brand new copper made motor, powerful enough to support the blade running at very high speed producing strong wind. Just press the power button to adjust the wind speed, press once at the low wind and twice for high speed, the wind is such strong that will bring you a cool summer.