Features: Super Long Working Time: Super long time diffusion essential oil once the essential oil with the flow of water diffusion add water can last for more than 48 hours. No need to connect to power supply to work alone. After the battery is fully charged it can work for more than 15 hours. Multifunctional Humidifier: Slightly humidifies dry air without adding too much moisture to the air adding ambiance to your living room office bedroom or anywhere you need to add a sense of relaxation. Running water can add some negative ions and energy to the environment. Stress Relief: 7 color-changing night lights create a relaxing and comfortable atmosphere that is conducive to sleep. Ultrasonic non-sonic atomization technology ultra-fine water mist nourishing the air at the same time can relieve stress. Wide Range of Applications: Beautiful and unique appearance the best choice for gifts. This personal USB humidifier is so light that you can take it anywhere. Suitable for family room baby's bedroom desk top car travel or yoga it effectively moisturizes dry skin. Customer Service: If you confront any problems about our products please feel free to contact us we are ready to help. We will solve your problems as soon as possible. Specification: Material: ABS Battery: 2500mAh Product Size: 17*24cm Weight: 1000g Notes: 1. Due to different monitors and lighting effects the actual color may be slightly different from the image. 2. Due to manual measurement please allow 1-3cm deviation. includes: 1Humidifier 1Charging Cable 1Manual "