Handheld fan product introductionDurable: Portable handheld fan was built with a durable brushless motor insdie which able to provide a working life with 10,000 hours.High-Performance Battery:The battery fan operated by 800mAh premium battery with high-performance and efficiency. Offers you most continuous working time with 3 hours depending on different wind speed. Compareing with same capacity,Our battery exceeds 20% working time more than others. You can bring this handheld mini hand fan for stroll,shopping or other outdoor activities without worry for battery.Work While Charging: Get power supply from USB devices such as,computer,laptop,USB charger.handheld portable fan is able to continuous work when it connects with a power supply.Places into the base(included),it can become a normal hand desk fan.Takes 2hours to get fully charged.The base groove design can be used as a mobile phone bracketPortable Size: Easy to carry and storage for you. Also is a ideal handheld fan for hot flashes summer traveling camping gift for kids women and friends.