Large capacity transparent water tankThe air humidifier with 440ml large capacity water tank, it can moisturize the air for up to 6-12 hours, the water tank transparent and top filling design allow you to add water easily. Ultrasonic Cool Mist HumidifiersThe Nano fine mist humidifier with colorful mood light, it can humidify effectively the air and also the colored light creates a peaceful and dreamlike atmosphere, let you put aside the fatigue of the day. Compact design with USB power supplyWith USB power supply, you can connect it to any USB port device, compact design that doesn't take up much space. So it can be used in living room, kid's room, office, spa, yoga room, etc. Two Mist Modes & Auto Shut-offThis air humidifier has a continuous mode and an intermittent mode to select the mist output. With auto-off function, it can automatically shut down after 5 hours. Quiet OperationThe humidifier generates noiseless frequency, it operates quietly to provide you with hydrated air, so you won't be disturbed while you sleep or work.