Description: Due to the large 2000ml water tank, this this humidifier can work for 12-20 hours, eliminating the need for frequent refilling. Operating noise is as low as 20dB, so you won't be disturbed even when you're sleeping. Humidifier sprays a fine mist that effectively moisturizes the skin, making it less tight and dry, because it uses advanced atomization technology. Made of premium flame-retardant ABS and silicone materials, this USB humidifier is durable to use. The length of the humidifier is 16cm, and the diameter is 13cm. You can use the humidifier at dry space such as bedroom, living room, baby room, air-conditioned room, car, office, etc. Item Name: USB Humidifier Material: Silicone,Fireproof ABS Rated Current: 1A Rated Voltage: 5V Noise Level: 20dB Power Supply: USB Using Time: 12-20h Spray Volume: 80ml/h Working Current: 0.4A Working Power: 1.5-2W Color: White, Pink, Green Water Tank Capacity: 2000ml Number of Spray: Single Spray Spray Mode: Continuous/Intermittent Applicable Water: Mineral Water/Tap Water Features: Large Capacity, Long Working Hours, Quiet Operation Size Details: 16cm x 13cm x 13cm/6.3" x 5.12" x 5.12" (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. Package Includes: 1 x USB Humidifier 1 x USB Cable 1 x Chinese and English Manual