How to add water Steps: Open the silicone cover on the right side of the handheld fan, our mini fan comes with a 15 ml water bottle that you can use to add water to the built-in water tank. After adding water, it can be used for 1-1.5 hours. Tips: 1. The capacity of the built-in water tank is 15 ml. Do not add too much to prevent overflow. 2. Liquids such as perfume and aromatherapy are not allowed in the water tank as they may clog the outlet. 3. If the water is insufficient, the spraying will stop. Please add water in time. Scenes to be used: Portable fans can be used indoors and outdoors, such as beach vacations, travel, camping, performance competitions, yoga, etc. It is a versatile personal fan. Mini size: Can be easily put in your pocket. Length: 4.8 inch Height: 2.2 inch Width: 1.7 inch Weight: 0.42lb Packing list 1* Handheld fan 1* Charging cable 1* Water bottle 1* Lanyard 1* User manual