KOIOS Patented Cool Mist Humidifiers (2023 Upgraded), 4L Top Fill Ultrasonic Air Humidifier, Essential Oil Diffuser for Bedroom Large Room Home, 31H Runtime, Whisper Quiet Perfect for Babies, Plants

Upgraded-version KOIOS Humidifier: This KOIOS humidifier has the advantages of innovative structure, easy cleaning, maximum running time of 31 hours, and efficient 350mL/h mist output. On this basis, we have corrected some shortcomings of the previous generation to make this humidifier more durable.
Patented and Innovative Design: Patented structure of the KOIOS cool mist humidifier assures no water leaking, improving safety when using the bedroom air vaporizer. The mist output remains consistent regardless of the water level thanks to smart design. Humidifies the air in a large room with max mist evaporation of 380mL/h. More efficient, convenient and energy-saving.
Humidifier & Essential Oil Diffuser 2-in-1: KOIOS cool mist humidifier effectively diffuses moisture into the dry air to maintain a comfortable humidity level to relieve dry skin, coughing, allergy, or sleeping aid. Add essential oils and fill your home with fresh aroma while enjoying cool mist evaporation.
Whisper Quiet & Night Light: No gurgling or dripping noise, thanks to innovative design. The air humidifier works almost no noise which offers maximum relaxation during sleeping or working. Air humidifier night light(press and hold for 3 seconds to turn on or off) offers a soothing glow, great for bedroom or nursery.
Easy to Refill and Clean: Easy to clean top fill humidifier design ensures simple refilling. No more troubles when cleaning the inside of the essential oil diffuser thanks to detachable water tank.