Leven Rose Aromatherapy Diffuser for Essential Oils Humidifier for Stress Relief + Sleep Improvement - 100ML IMPROVES AIR QUALITY - Humidifies rooms with essential oils for stress relief, better sleep, and aromatherapy. Use to fight flu, cold, allergies or relieve stress. UP TO 6 HOURS OF AROMATHERAPY - Runs for up to 6 hours with automatic shutoff safety system to extend product longevity. PROMOTES HEALTH - Improved air moisture improves breathing, relief from coughs, colds, nose bleeds and air allergens. Helps clean air and fight allergies, relieve stress, and purify air. WHISPER QUIET - 2.4 MHZ advanced ultrasonic technology means you can run it at night for peaceful sleep, at the office or a baby's room 100% SATISFACTION GUARANTEE - Leven Rose stands behind all of their products with a money back guarantee.