Equipped with a 10000mAh rechargeable battery, this portable waist fan can run continuously for up to 35 hour on low speed, depending on the fan speed and lighting modes. Designs to used in multiple ways-you can wear around your waist, hangs it around your neck, or place on your desk using clip stand. With 5 adjustable speed setting, you can choose from gentle to strong, making it perfect for any situation. It also features a builted-in LED light, great for outdoor activity and emergencies. It can also your phone directly. Builted for outdoor durability, this personally fan have a protective silicone cover that cushions against drop and impacts.