Jisulife handheld fan 10S is a portable fan with powerful capacity and smart design, perfect to take anywhere you need quick cooling. With its compact size and a generous built-in battery capacity of 5000 mAh, it offers long operating time — up to 30 hours on a single charge! The fan has five adjustable air speeds for flexible use, LED display for overview and a safety lock that prevents accidental start. It is ideal for home, travel, office or any hot summer day when you want to cool down right where you are! Specifications: Brand: Jisulife Model: 10S Color: Gray Capacity: 5000mAh Dimensions: 155 × 60 × 58.5 mm Weight: 208g Power: 3.3W Nominal voltage: 5V/2A Working hours: 4.5–30+ hours Charging time: 2–3 hours Air speed: Up to 5.7 m/s Benefits of Jisulife 10S Handheld Portable USB Fan 5000mAh – Gray Up to 30 hours of runtime for long-lasting coolness Powerful airflow for effective cooling wherever you are 5 adjustable speeds and LED display for optimal control Safety lock minimizes the risk of accidental start-up during transport