{"product_id":"4l-cool-mist-usb-humidifier-aroma-function-portable-5v","title":"4L Cool-Mist USB Humidifier with Aroma Function | Portable 5V","description":"\n\u003ch2\u003e4L Cool-Mist Humidifier with Aroma Diffuser Function\u003c\/h2\u003e\n\u003cp\u003eTransform the air quality in your home, office, or hotel room with this whisper-quiet \u003cstrong\u003e4L Cool-Mist Impeller Humidifier\u003c\/strong\u003e. Powered via a convenient USB 5V connection, it runs on just \u003cstrong\u003e1W of energy\u003c\/strong\u003e, making it one of the most efficient ways to maintain comfortable indoor humidity levels throughout the day and night.\u003c\/p\u003e\n\n\u003cp\u003eThe built-in \u003cstrong\u003earoma function\u003c\/strong\u003e lets you add your favourite essential oils to the water tank, filling your space with a gentle, refreshing fragrance as cool mist circulates through the room. Whether placed on a desk, bedside table, or countertop, its compact tabletop design and lightweight 1.4 kg body make it easy to reposition wherever you need it most.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4L Water Tank\u003c\/strong\u003e – Long-lasting hydration for continuous use without constant refills\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCool-Mist Impeller Technology\u003c\/strong\u003e – Delivers a steady 220 mL\/hr mist output for balanced humidity\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUltra-Quiet Operation\u003c\/strong\u003e – Runs at under 36 dB so it won't disturb sleep or work\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUSB 5V Powered (1W)\u003c\/strong\u003e – Plug into any USB port, power bank, or adapter for flexible placement\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAroma Diffuser Compatible\u003c\/strong\u003e – Add a few drops of essential oil for a calming, fragrant atmosphere\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHumidistat Control\u003c\/strong\u003e – Built-in humidity sensing keeps levels consistent automatically\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePortable Tabletop Design\u003c\/strong\u003e – Compact 180 × 318 mm footprint fits on desks, nightstands, and shelves\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable ABS Plastic Construction\u003c\/strong\u003e – Lightweight yet sturdy for everyday use at home or on the go\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1-Year Manufacturer's Warranty\u003c\/strong\u003e – Backed by a full year of after-sales support including free spare parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWater Tank Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 L\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMist Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e220 mL\/hr\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 W\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5V USB\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHumidification Method\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCool-Mist Impeller\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNoise Level\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;36 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e180 × 318 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.4 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eABS Plastic\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBJS-40D01\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Year\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in China (Zhejiang)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePerfect For\u003c\/h3\u003e\n\u003cp\u003eBedrooms, living rooms, home offices, hotel rooms, and small commercial spaces. Use it alongside your favourite essential oils for an enhanced wellness routine. Pair it with a relaxing diffuser blend and explore our \u003ca href=\"\/products\/ancient-nutrition-multi-collagen-advanced-muscle-60-capsules\"\u003eAncient Nutrition Multi Collagen Advanced Muscle 60 Capsules\u003c\/a\u003e for a holistic home wellness setup. If you enjoy creating a cosy ambience, also check out our curated \u003ca href=\"\/products\/womens-loose-turtleneck-knit-pullover-sweater\"\u003eWomen's Loose Turtleneck Knit Pullover Sweater\u003c\/a\u003e — perfect for unwinding at home in comfort.\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.nccih.nih.gov\/health\/aromatherapy\" target=\"_blank\" rel=\"noopener\"\u003eNIH on aromatherapy and essential oils\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: How long does the 4L water tank last on a single fill?\u003c\/h4\u003e\n\u003cp\u003eA: At the standard mist output of 220 mL\/hr, the 4L tank provides approximately 18 hours of continuous operation, making it ideal for overnight or all-day use without frequent refills.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I use essential oils in this humidifier?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! This humidifier features a built-in aroma function — simply add a few drops of your preferred essential oil to the water tank to enjoy a lightly scented, cool mist throughout your room.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How does this humidifier connect to power?\u003c\/h4\u003e\n\u003cp\u003eA: It runs on a standard 5V USB connection and consumes only 1W of power. You can plug it into a USB wall adapter, laptop port, or portable power bank for versatile, cord-friendly placement in any room or space.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this humidifier suitable for use in a car?\u003c\/h4\u003e\n\u003cp\u003eA: Yes — its compact portable design and USB power source make it easy to use in a car with a USB car adapter, keeping the cabin air comfortably moisturised during longer journeys.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How long does the 4L water tank last on a single fill?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"At the standard mist output of 220 mL\/hr, the 4L tank provides approximately 18 hours of continuous operation, making it ideal for overnight or all-day use without frequent refills.\"}}, {\"@type\": \"Question\", \"name\": \"Can I use essential oils in this humidifier?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! 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