300ml Mini USB Car Humidifier & Aromatherapy Diffuser

Stay Comfortable On the Go with Portable Mist & Aromatherapy

The 300ml Mini USB Car Humidifier is your compact travel companion for fresher, more comfortable air — whether you're commuting, working at a desk, or relaxing at home. With its quiet ultrasonic mist discharge and built-in essential oil tray, this portable diffuser makes it easy to enjoy cool, hydrating mist and uplifting aromatherapy anywhere you go.

Made in Mainland China.

Why You'll Love It

• Dual-Function Design: Works as both a humidifier and an aromatherapy diffuser — add water for cool mist, or use the dedicated essential oil tray for fragrance without diluting the tank.
• Whisper-Quiet Operation: Runs at under 36dB, so it won't disturb your drive, work session, or sleep.
• USB-Powered Convenience: Plug into any USB port — your car charger, laptop, power bank, or wall adapter. No batteries needed.
• Compact 300ml Capacity: Perfectly sized for personal spaces — car cup holders, office desks, nightstands, and travel bags.
• Energy Efficient: Operates at just 3W / 5V, so it draws minimal power from your vehicle or USB source.
• Wick Filter System: Helps deliver clean, consistent mist with easy maintenance.
• Versatile Use: Ideal for cars, home offices, hotel rooms, and travel.

Technical Specifications

Perfect Pairings

Complete your wellness and home setup with these related products:

• Self-Draining Leaf Soap Dish – Waterfall Soap Holder, Easy Clean
• Large Soft Absorbent Hand Towel – Cute Smiling Face Design
• Toothbrush & Toothpaste Storage Rack with Mouthwash Cup

Learn more: NIH on aromatherapy and essential oils

Frequently Asked Questions

Q: Can I use essential oils directly in the water tank of this USB car humidifier?

A: No — essential oils should only be placed in the dedicated essential oil tray, not in the water tank. Adding oils directly to the tank can damage the wick filter and internal components. The separate tray allows you to enjoy aromatherapy fragrance safely alongside the cool mist.

Q: How do I power this mini USB humidifier in my car?

A: Simply plug the USB cable into your car's USB port or a USB car charger adapter. The humidifier runs on 5V / 3W — compatible with virtually any standard USB power source, including laptops, power banks, and wall adapters.

Q: How long does the 300ml tank last on a single fill?

A: Runtime depends on the mist intensity setting, but the 300ml capacity is designed for several hours of continuous use — ideal for daily commutes, work sessions, or overnight use on a nightstand.

Q: Is this humidifier suitable for home use as well as car use?

A: Absolutely. Its compact size and USB power make it versatile for car cup holders, office desks, hotel rooms, and bedside tables — anywhere you want a touch of moisture and fresh aromatherapy in your personal space.

Production & Packaging Notice

To 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.