Connetech(TM) New Version 500ml Aromatherapy Air Humidifier Enjoy Aroma Fragrance Diffusers with LED 7 Colors Changing Lamp Light Ultrasonic Oil Diffuser Large Capacity Humidifier Mist Make Large 500ml water capacity that can continue use up to 10 hours each time, monitor the shortage of water automatically and ensure the safety. Romantic atmosphere with changing led light color. Relieves depress after a whole day work Moisturizes and refreshes the quality of air we breathe. Humidifies the hot and dry air in the room during summer, autumn and winter when heating is switched on Humidifier provides moisture for Dry Cough, Sinus Irritation, Dry Skin. Whisper-quiet ultrasonic operation. Enjoy the ultimate aromatherapy experience from this little sleek device using your favorite fragrance without any heating elements making this diffuser safe to use