Large capacity of 2000 ml makes it possible to continuously humidify. And the silent operation prevents the humidifier from disturbing you. The non-radiation feature will not harm your health. Using the new nano-atomization technology, this humidifier will not wet the desktop. Made of fireproof ABS and silicone, it is very durable to use. The length of this product is 13cm, the width is 13cm and the height is 16cm. It is suitable for home, bedroom, office and so on. Item Name: USB Humidifier Material: Silicone,Fireproof ABS Rated Voltage: 5V Use Time: 12-20h Use Power: 1.5-2W Spray Speed: 80ML/h Rated Current: 0.4-1A Mute Processing: 20dB Product Height: 160mm Product Diameter: 130mm Colors: White, Pink, Green Water Tank Capacity: 2000ML Number of Nozzles: Double Spray Spray Mode: Continuous or Intermittent Product Power Supply: USB Connection Features: Large Capacity, Fine Mist, Radiation-free Applicable Water Quality: Mineral Water or Tap Water Size Details: Size: 13cm x 13cm x 16cm/5.1" x 5.1" x 6.3" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. How to Use: Press the double spray once to turn on the lights at the same time; press the second continuous spray, that is, spray for two seconds on the left, stop for 0.3 seconds, then spray on the right for 3 seconds, repeat the same; press the third time to turn off all. Long press the control switch light. When the power cord is plugged in for the first time, the indicator flashes twice. Package Includes: 1 x Humidifier 1 x USB Cable 1 x Chinese and English User Manual