{"product_id":"4l-usb-humidifier-essential-oil-diffuser-night-light-dual-nozzle","title":"4L USB Humidifier \u0026 Essential Oil Diffuser with Night Light","description":"\n\u003ch2\u003eBreathe Easier with the 4L Large Capacity USB Humidifier \u0026amp; Aromatherapy Diffuser\u003c\/h2\u003e\n\u003cp\u003eTransform your home environment with this elegant \u003cstrong\u003e4-liter USB humidifier\u003c\/strong\u003e featuring dual mist nozzles, a built-in ambient night light, and essential oil diffuser compatibility. Whether you're working from home, sleeping, or simply relaxing, this ultra-quiet humidifier keeps your space comfortably moisturized while doubling as a soothing aromatherapy diffuser.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eThis product is not intended to diagnose, treat, cure, or prevent any disease. These statements have not been evaluated by the Food and Drug Administration.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eWhy You'll Love It\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLarge 2.6–4L Water Tank:\u003c\/strong\u003e Covers up to 31–40 square meters — ideal for bedrooms, living rooms, and offices without constant refilling.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Mist Nozzles:\u003c\/strong\u003e Two fog outlets for wider, more even mist distribution throughout your space.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEssential Oil Compatible:\u003c\/strong\u003e Add a few drops of your favorite essential oil for a calming, aromatic atmosphere.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSoft Ambient Night Light:\u003c\/strong\u003e Long-press the power switch to activate a warm, gentle glow — perfect as a nightlight or mood enhancer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible Misting Modes:\u003c\/strong\u003e Single press for intermittent mist; press again for continuous mist — full control at your fingertips.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUltra-Quiet Operation:\u003c\/strong\u003e Runs at under 36dB, so you can sleep, work, or concentrate without distraction.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUSB Powered:\u003c\/strong\u003e Conveniently powered via USB (5V, 9W) — plug into any USB adapter, laptop, or power bank.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAuto Shut-Off Safety Protection:\u003c\/strong\u003e Automatically powers off when the water level is low, protecting the device and giving you peace of mind.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSleek Columnar Design:\u003c\/strong\u003e Available in Glacier White and Retro Green — a stylish addition to any room's décor.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e 2.6 – 4.0 Liters\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoverage Area:\u003c\/strong\u003e 31–40 sq. meters\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e 9W\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 5V (USB)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNoise Level:\u003c\/strong\u003e \u0026lt;36dB\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHumidification Method:\u003c\/strong\u003e Mist Discharge\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e BPA-free Plastic (Injection Molded)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMist Outlets:\u003c\/strong\u003e 2\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColors:\u003c\/strong\u003e Glacier White, Retro Green\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCertification:\u003c\/strong\u003e CE Certified\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Made in Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow to Use\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003eFill the water tank with clean water (up to 4L).\u003c\/li\u003e\n  \u003cli\u003eFully soak the internal cotton wicks before first use to ensure proper mist output.\u003c\/li\u003e\n  \u003cli\u003eConnect via USB cable to your preferred power source.\u003c\/li\u003e\n  \u003cli\u003eLong-press the switch to activate the warm ambient light.\u003c\/li\u003e\n  \u003cli\u003eSingle press for intermittent mist; press again for continuous mist.\u003c\/li\u003e\n  \u003cli\u003eAdd a few drops of your favorite essential oil for aromatherapy.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003ePair It With\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-percent-better-every-day-motivational-canvas-wall-art-print\"\u003eMotivational Canvas Wall Art – Elevate your home ambiance\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/everything-is-figureoutable-sage-green-quote-canvas-wall-art\"\u003eSage Green Quote Canvas Wall Art – Complement your relaxation space\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor more information on how indoor humidity affects your well-being, visit the EPA's Indoor Air Quality resource on relative humidity.\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Humidifier\" target=\"_blank\" rel=\"noopener\"\u003eHumidifier\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Can I use essential oils directly in the 4L USB humidifier?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! This humidifier is compatible with essential oils. Simply add a few drops to the water tank or designated oil tray to enjoy a gentle aromatic mist throughout your room.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How long does the water tank last on a full fill?\u003c\/h4\u003e\n\u003cp\u003eA: With a 2.6–4L capacity, the humidifier can run for several hours on a full tank depending on the mist mode selected. Continuous mist mode will use water faster than intermittent mode.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is it safe to leave running overnight?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The built-in automatic shut-off feature powers the unit down when water runs low, making it safe for extended use including overnight operation. The quiet under-36dB operation also ensures it won't disturb your sleep.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What power source does this humidifier use?\u003c\/h4\u003e\n\u003cp\u003eA: It is USB-powered at 5V\/9W, meaning you can plug it into any USB wall adapter, laptop, computer, or compatible power bank for versatile placement anywhere in your home.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Do I need to do anything before the first use?\u003c\/h4\u003e\n\u003cp\u003eA: Yes — it's important to fully soak the cotton wicks inside the unit before the first use. This ensures proper mist output from the start and helps the device perform optimally.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Can I use essential oils directly in the 4L USB humidifier?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! 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