1. Nano cooling spray instantly moisturizes and soothes dry skin, replenish moisture for skin, make you feel comfortable. 2. Adopts air negative pressure, uniform atomization technology, mano ion mist, mild and refreshing, convenient for use. 3. Built-in battery design, rechargeable USB interface, a variety of charging methods such as power sockets, USB ports, power banks. 4. Light weight and in small size, easy to store and carry, can be easily put into bag, suitable for home and office. 5. It is best to use mineral water, which will not block the nano sprayer. Do not directly inject high-concentration or viscous serum. Spec: Condition: 100% Brand New Item Type: Mist Sprayer Material: ABS Charging Voltage: 5V Charging Current: 1A Working Voltage: 3.7V Battery Type: Lithium Battery Battery Capacity: 400mAh (Included) Working Hours: 1H Water Capacity: 7ml Power Supply Type: USB Cable How to Use: 1. Remove the water cover 2. Add water to the water 3. Close the water cover tightly 4. Open the slide cover to start using Package List: 1 x Mist Sprayer 1 x USB Cable 1 x ManualIt is best to use mineral water, which will not block the nano sprayer. Do not directly inject high-concentration or viscous serum. Adopts air negative pressure, uniform atomization technology, mano ion mist, mild and refreshing, convenient for use. Built-in battery design, rechargeable USB interface, a variety of charging methods such as power sockets, USB ports, power banks. Nano cooling spray instantly moisturizes and soothes dry skin, replenish moisture for skin, make you feel comfortable. Light weight and in small size, easy to store and carry, can be easily put into bag, suitable for home and office.