Adjustable 5 Wind Speeds - The hand-held mini fan provides 5 different wind speeds, sleep wind, natural wind, refreshing wind, cool wind, circulating wind. One-button design, short press the power button to turn on the fan, press repeatedly thebutton to adjust the speed of the fan. In hot summer days, it is a must-have for home, office, travel, hiking, shopping, camping and other outdoor activities. 4000Mah Large capacity battery and digital screen design - The portable travel fan with built-in 4000mAh lithium battery, can work for 6-16 hours (depending on the wind speed). USB Rechargeable, designed with digital display, displaying real-time currentand current wind speed when working, easy to control power consumption at any time without worrying about the fan suddenly stops working. Multifunctional Fan - Equipped with a removable base, the small hand-held fan can be placed stably on the desk, the base of a phone holder design, so you can enjoy the cool breeze while watching the film. The portable mini fan supports 90-degree adjustment,can be adjusted to your most comfortable angle. And the package contains a lanyard, you can install the lanyard to free your hands and become a neck fan. Low noise and portable and easy to clean-High-quality pure copper motor, which effectively reduces friction noise, stable and quiet operation, will not affect your sleep or anyone nearby. The fan protector and fan blades are removable, when dirt buildsup, you can simply remove it to wash and dry before placing it. With a weight of 190 grams and a small size, it can be easily put into a bag for easy portability. Summer Essential Personal Fan - The package includes a handheld fan, a removable lanyard, a USB cable and a user manual. Super air supply, fast cooling in 3 seconds, and easily relieves heat flashing and sweat. Very suitable for indoor and outdoor use.Can also be an ideal gift for friends and relatives.