1. Handheld facial sprayer, rechargeable with USB. Replenishes the skin with sufficient moisture to meet your daily needs. 2. Multi-purpose use: Portable mini facial spray, it can make your skin feel cool in summer and quickly moisturize dry skin in winter. It can be used as a small humidifier when traveling on business. 3. Easy to use: Press the switch, the convenient mini sprayer will automatically spray mist and light. We use the recommended mineral water. If toner is required, it needs to be diluted with 90% mineral water. (Please do not use alcohol, detergent, etc. for cleaning.) 4. Widely used: Nano Facial Mist uses ultrasonic vibration technology to break down moisture to 0.3 microns, producing the finest mist. It can be used to nourish the face, body and hair. Suitable for all skin types, deeply hydrates the skin.