This handheld fan features a turbine wind speed of 2 meters per second, delivering three times the cooling power of ordinary fans for instant refreshment. It has three usage methods - handheld, wearable, or desktop, providing versatile cooling options wherever you go. The fan has a built-in 4000mAh battery, running up to 12 hours on a single charge, and 5 adjustable wind speed settings. It also features a digital display for easy control and superconducting ice porcelain cooling for optimal comfort.