<b>Benefits from oil diffuser humidifiers: </b> <br>Ultrasonic diffusers humidifiers can more effectively break water and essential oils into extremely micro-particles, which can absorb dust and other something unhealthy in air, also release much oxygen anion helps for better breath. So, humidifiers provide a large amount of fresh air for those who suffer from dry cough, dry chapped skin, chapped lips, itchy nose or eyes, allergies sinus headaches and sleeping problems, reduce static electricity shocks. Also, help you cover the smell of pets or smoking. <br><br><b>Benefits from aromatherapy: </b> <br>Add in several drops of your favorite essential oils, it make instant fragrance in your room, create your aromatherapy spa in your own space, fragrance from essential oils can help with stress, anxiety, relaxation, sleep, headaches and more, one oil diffuser can help you readily reap aromatherapy benefits. <br><br><b>What is ultrasonic technology: </b> <br>ADVANCED new ultrasonic diffusing technology produces vibrations at a frequency of 2.4 millions times per second breaks water and essential oils into extremely fine micro-particles, which take better effect for humidification and aromatherapy, no need heat. <br><br><b>Specification:</b> <br>CAPACITY: 200mL / WORK MODE: Timer 6-12 hours / POWER: USB, adapter NOT included / AUTO SHUT-OFF: Yes / MATERIAL: PP, BPA-Free / LED LIGHTS: 7 colors / NOISE: Very weak / SIZE: 3.9*3.3 inch(100*85mm), 0.5 pound / WATTAGE: 3W / PACKAGE INCLUDE: 1*oil diffuser, 1*USB cable. <br>Switch Button: <br>"MIST": Timer 12 hours - Timer 6 hours - OFF, hold press to directly turn off; <br>"LIGHT": 7 colors cycle - Freeze one color - OFF, hold press to directly turn off.