【4-Level Wind Speed Adjustment, Control at Will】This handheld fan, like a summer magician, features a 4-level wind speed adjustment function. The powerful mode, like a raging hurricane, instantly blows away your heat. The medium mode, like a companion of just the right coolness, allows you to feel the comfort of summer. The gentle breeze mode, like a soft wind, opens your heart. But the most amazing is the cooling mode. Like a north wind blowing, it emits cool air of 10-12°C, instantly relieving the summer heat and bringing you an icy embrace. Whatever coolness you seek, this fan can meet your needs and allow you to control the summer temperature as you wish. 【3000mAh Large Capacity Battery, Freedom at Will】This portable fan has a built-in 3000mAh large-capacity battery, which, like a portable power plant, provides power whenever you need coolness. Even during outdoor camping or overtime work, this fan becomes your portable air conditioner. It can operate continuously for up to 10 hours. Without being tied to a power outlet, you can enjoy the freedom of coolness brought by this compact device. 【Smartphone Stand, Double the Enjoyment】This handheld fan is not just a cooling device, but also a convenient smartphone stand. A foldable stand is attached to the bottom of the main body, which can firmly support your smartphone. Enjoying cool wind while using your smartphone on a hot summer day, that double joy, brings you the perfect relaxation time.