Functions:Variable applications: This nano face mister is easy to use and suitable for all types of places. You can take it with you when travelling or on a business trip. It is easy to carry and does not take up too much space in your handbag.IDEAL GIFT: There are 2 portable mini face mist sprayers and 2 USB charging cables. You can give this face sprayer as a gift to your family or friends and enjoy this cool moment in summer.Technical data:Material: as shown in the picture.Capacity: 30 ml.Model: 718 b; working voltage: 3.7VCharging Voltage: 5V/0.5APackage Includes: 2 x Nano Face Mister 2 x USB Charging CableMachine Maintenance: Clean the instrument in time after use to avoid oil and other dirt precipitation. Clean the surface of the product with a soft, damp cloth and then wipe dry. Never use essential oils, petrol or corrosive detergents to clean plastic parts. Do not place the product in high temperatures and high humidity environments so as not to affect the effect of use. If the instrument is not used for a long time, clean the water tank and store it in a cool and dry place. The water in the water tank is unique and must not be used overnight, otherwise the spray nozzle is easily clogged. Be sure to use it when charging. The charging time must not exceed 12 hours.