Product Name: Mini humidifier Product size: 8.3 x 8.3 x 10.8 Rated power: 1.5 (W) Rated voltage: 5 (V) Product specification: 220ml Specifications: 1. [ultra silent]: quiet operation. Sleep won't disturb you 2. [large capacity] anti drying, penetration and moisturizing 3. [automatic power-off protection] prevent drying to prevent damage to the machine 4. [small size], light and compact, easy to carry 5. [good sealing] no water leakage during dumping, good sealing, no fear of dumping, no water leakage and no electric leakage, and safe humidification 6. Nano Spray: soft and fine mist, soft and refreshing ultrasonic molecular atomization, fine water molecular spray, continuously moisturizing continuously, moisten every inch of skin. 7. [multi function] it can be used together with small fan and small night light to truly meet a variety of needs Package Included: 1 x humidifier Notes: Precautions: before work, the cotton core in the humidifier must be taken out and soaked in water before use. If the fog is significantly reduced, the cotton swab must be replaced. Use it via USB cable.