[Unparalleled Comfort] This portable fan can keep you cool on hot days. With just a puff, it sends a pleasant breeze across your skin, giving you a refreshing feeling whether you are outdoors or in the office. [Long-lasting Battery Life] Never worry about running out of battery in the middle of summer. Thanks to its 3000mAh rechargeable battery, this mini portable fan can work for 5 to 21 hours depending on the selected speed, giving you a long-lasting refreshing experience during outdoor activities such as picnics, sporting events, or hiking. [Portable and Easy to Carry] This mini fan is lightweight and compact and can be easily carried in a bag. It comes with a lanyard so you can hang it on your backpack or purse so you can always reach it when you're on the go. [Adjustable Speed to Provide a Comfortable Experience] To suit your needs, this rechargeable portable fan offers 5 adjustable speeds. Whether you want a gentle breeze or a strong gust of wind, you can easily adjust the speed