Portable design: Lightweight and compact handheld fan with a builtin rechargeable battery, ideal for travel, outdoor activities, or daily use. Easy to carry in a bag or pocket with no need for disposable batteries. LED display: Clear LED display provides a digital readout of the current wind speed for easy and precise control over airflow intensity and comfort level. Five wind speeds: Five adjustable wind speed levels offer a range from a gentle breeze to strong cooling, allowing you to tailor airflow to your preference. USB Rechargeable: Equipped with a 2000mAh battery and USB charging, delivering longlasting performance with convenient charging options. Use scenarios: Commuting and travel: keeps you cool on planes, trains, buses, or in hot terminals. Outdoor activities: suitable for camping, hiking, picnics, and sporting events. Home or office: acts as a portable desk or bedside fan for targeted cooling.