Two Modes Of Mist And Night Light: The Humidifier Can Set Continuous Mist And Intermittent Mist (3 Seconds On / 3 Seconds Off). The Night Light Mode Is 7 Color Light Changing, And The Light Color Can Be Fixed By Long Pressing The Button. You Can Easily Choose The Mode You Like And Enjoy The Moisturizing Air And Soft Light. Humidifier And Essential Oil Diffuser 2 In 1: Combination Of Humidifier And Aromatherapy Diffuser. Just Drop The Aromatherapy Essential Oil Into The Top Aroma Diffuser, You Can Spread Your Favorite Scent All Over The Room, Relieve Cough, Nasal Congestion And Dry Throat, Which Is Convenient And Economical. Br>Ultrasonic Mute And Auto-Off: Less Than 36Db To Create A More Peaceful Sleeping Environment, Keep Your Living Space Clean And Well Hydrated. When The Water Level Of The Humidifier Water Tank Is Lower Than The Water Level Probe, All Spray Modes Are Automatically Closed To Prevent Dry Burns And Ensure Your Safety.Small And Portable & Usb Powered: The 230Ml Compact Design Allows You To Easily Carry It Anywhere, And The Cool Mist Humidifier'S Running Time Is 6-12 Hours. The Diffuser Humidifier Is Powered By Usb Cable, It Can Be Used In The Bedroom, Office, Car, Etc. Contents: A Humidifier With Essential Oil Diffuser, A Usb Cable, A Cell Phone Port, And Two Cotton Swabs. Important Note: When Using The Room Humidifier For The First Time, Please Fill With Water And Moisten The Cotton Swab To Ensure Normal Spraying. Do Not Add Essential Oils Or Perfumes To The Water Tank To Avoid Clogging With Cotton Swabs. Essential Oils Can Be Added To The Essential Oil Diffuser On Top Of The Home Humidifier.