--- product_id: 588542714 title: "Dr. Tech J820 Ultrasonic Humidifier Cool Mist Air Purifier Dryness Cold & Cough Large Capacity Ideal Fit for Indoors Office Babyroom Nursery and Bedroom - 4L" brand: "dr. tech" price: "$117.71" currency: USD in_stock: true url: https://www.desertcart.us/products/588542714-dr-tech-j820-ultrasonic-humidifier-cool-mist-air-purifier-dryness store_origin: US region: United States of America --- # 300ml/h mist output 35dB whisper-quiet 15+ hours runtime Dr. Tech J820 Ultrasonic Humidifier Cool Mist Air Purifier Dryness Cold & Cough Large Capacity Ideal Fit for Indoors Office Babyroom Nursery and Bedroom - 4L **Brand:** dr. tech **Price:** $117.71 **Availability:** ✅ In Stock ## Summary > 💨 Elevate your air game—breathe smarter, live better! ## Quick Answers - **What is this?** Dr. Tech J820 Ultrasonic Humidifier Cool Mist Air Purifier Dryness Cold & Cough Large Capacity Ideal Fit for Indoors Office Babyroom Nursery and Bedroom - 4L by dr. tech - **How much does it cost?** $117.71 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/588542714-dr-tech-j820-ultrasonic-humidifier-cool-mist-air-purifier-dryness) ## Best For - dr. tech enthusiasts ## Why This Product - Trusted dr. tech brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Dual-Action Air Care:** Combines ultrasonic humidification with air purification to create a fresher, healthier indoor environment. - • **Whisper-Quiet Operation:** Runs at just 35 decibels—quieter than turning a page—so your focus or rest stays undisturbed. - • **Hassle-Free Top Refilling:** Easy-to-fill design lets you refill anywhere with distilled or RO water—no spills, no stress. - • **Smart Safety Auto Shut-Off:** Automatically powers down when water runs out, protecting the device and your peace of mind. - • **Effortless All-Night Comfort:** 4L tank delivers over 15 hours of continuous cool mist for uninterrupted sleep or work. ## Overview The Dr. Tech J820 Ultrasonic Humidifier features a large 4L water tank providing up to 15+ hours of cool mist output at 300ml/h. Operating ultra-quietly at 35 decibels, it ensures a peaceful environment for bedrooms, offices, and nurseries. Its smart automatic shut-off protects the device when water runs out, while the top-fill design simplifies refills and cleaning. Ideal for millennial professionals seeking a sleek, efficient solution to dryness, cold symptoms, and indoor air quality. ## Description Full description not available ## Features - COOL MIST HUMIDIFIER & AIR PURIFIER:Dr. Tech YH-02 Cool Mist Ultrasonic Humidifier is designed to quietly humidify the interior while purifying the air without disturbing your study, work or sleep. Up to 300ml/H mist output provides ideal humidifying coverage for bedrooms, offices, and other medium-sized rooms. - ALL-NIGHT MIST & AUTOMATIC SHUT-OFF: Holding up to 4 liters of water, this cool mist humidifier allows up to 15+ hours of working time in high mist. It will automatically shut off when it runs out of water to prevent the burning of the ultrasonic plate and keep your device safe. - EASY TO REFILL AND CLEAN: Its top-refilling design makes it easy to fill and carry with water. Just remove the tank and take it anywhere to fill it with cool RO or distilled water. Besides, the offered humidifier can be easily cleaned with vinegar or other mild soap, all thanks to its spacious design. - WHISPER QUIET OPERATION: The offered Cool Mist Ultrasonic Humidifier runs at 35 decibels (the operating noise level is even lower than that of turning the pages of a book), so it will quietly humidify the interiors without disturbing your study, work, or sleeping. - LARGE CAPACITY AND EXTENDED RUNTIME: Our Ultrasonic Humidifier Cool Mist Air Purifier features a generous water tank capacity, ensuring continuous operation for extended periods. With its energy-efficient design, this unit can provide a soothing cool mist and fresh air throughout the day and night without the need for frequent refills. ## Technical Specifications | Specification | Value | |---------------|-------| | Brand | Dr. Tech | | Special Feature | Bpa Free, Lightweight, Smart | | Colour | White | | Operation Mode | Ultrasonic | | Product Dimensions | 27.5D x 18W x 32.5H Centimeters | | Item Weight | 1.7 Kilograms | | Room Type | Bedroom, Office | | Model Name | J820 | | Included Components | 1 x Ultrasonic Humidifier | | Voltage | 220 Volts | | Wattage | 28 Watts | | Power Source | Corded Electric | | Net Quantity | 1.00 Count | | Manufacturer | C-38, Sector-63, Noida, UP-201301, Mob-9313132789, E Mail- sales@allinproindustries.com, Dr. Tech | | Manufacturer | Dr. Tech | | Country of Origin | India | | Item model number | J820 | | ASIN | B0CCDWZJK1 | ## Product Details - **Brand:** Dr. Tech - **Special Feature:** Bpa Free, Lightweight, Smart - **Colour:** White - **Capacity:** 4 litres - **Operation Mode:** Ultrasonic ## Images ![Dr. Tech J820 Ultrasonic Humidifier Cool Mist Air Purifier Dryness Cold & Cough Large Capacity Ideal Fit for Indoors Office Babyroom Nursery and Bedroom - 4L - Image 1](https://m.media-amazon.com/images/I/51n6Xomh8ZL.jpg) ## Available Options This product comes in different **Style** options. ## Frequently Bought Together - Dr. Tech J820 Ultrasonic Humidifier Cool Mist Air Purifier Dryness Cold & Cough Large Capacity Ideal Fit for Indoors Office Babyroom Nursery and Bedroom - 4L - ORILEY Trimmer Line Heavy Duty Nylon Rope Bundle Garden Tool --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/588542714-dr-tech-j820-ultrasonic-humidifier-cool-mist-air-purifier-dryness](https://www.desertcart.us/products/588542714-dr-tech-j820-ultrasonic-humidifier-cool-mist-air-purifier-dryness) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-05-21*