【Cold Air Scent Oil Diffuser Technology】 Advanced cold air diffusion technology, quality fragrance without heat or water, this waterless diffuser maintains the integrity of essential oils for a longer-lasting and more natural scent experience and therapeutic benefits of the oils.【Compact Egg Design】This plug-in home diffuser features a sleek egg,built-in sensing light at the bottom, contracted but not simple,the size of your hand (5"H x 3"L x 2.5"W ),waterless essential oil diffuser up 500 sqft coverage fit for bathroom, living room,reading room, yoga, small office, and anywhere in your home.【Easy Use& Smart Sensing Lights Up】Simply plug the wall diffuser into the plug and it's easy to use,offering easy setup without the need for batteries,low/high and off switch adjust fragrance levels and personalized scenting experience,the bottom of essential oil diffuseris embedded with auto night light,from the living room to your workspace,enhance your home’s ambiance.【Refillable 10ml Oil Container】The oil diffuser uses a universal 10ML oil bottle, replaceable directly, pour into our 10ml bottle before use, the high mist settings are available for 7 days, the low mist Settings are available for 15 days, (everyone likes different, oil container not include oil ).【Reliable After Sales】 stringent quality control, rest assured that our diffuser is built to last,whether as a gift for loved ones or for personal use in the bedroom, office, living room, or yoga room, create a tranquil ambiance with confidence.