Product details
Mr.roller car diffuser – 100 ml ultrasonic essential oil humidifier
This neat little gadget does a few things well: it adds a bit of humidity, gently disperses a couple of drops of your favourite essential oil, and throws out soft RGB lighting to set the mood. It’s perfect for making morning commutes and stuffy rooms a bit more pleasant — no faff, no complicated setup.
What it does and why it helps
Using ultrasonic cool-mist tech, it creates a fine, cool fog that tackles dry air — brilliant in winter or on long drives when the cabin gets parched. A touch more humidity helps with dry skin, scratchy throats and general congestion, and pop in a few drops of essential oil and it freshens the space with a subtle aroma. The beefed-up fan pushes the mist further than most mini diffusers, so you’ll notice the difference fairly quickly.
Key features
- 100 ml water tank – compact but enough for several hours; fits most car cup holders and small desks.
- Two mist modes – continuous spray for steady coverage, or intermittent mode to conserve water and scent.
- Auto shut-off – handy safety feature that switches the unit off when the water runs low to avoid overheating.
- 7-colour ambient LED – pick a calming shade or let it cycle; great for night driving or a chilled bedroom vibe.
- USB Type-C powered – works with car USB ports, power banks, laptops or USB adapters (adapter not included).
- Quiet operation – low noise so it won’t get in the way of phone calls or sleep.
Usage tips and practical notes
To use: lift the top cover, fill with water up to the MAX mark, then add 1–3 drops of a water-dispersible (water-soluble) essential oil or blend. Plug in the Type-C cable and press the button: one press for continuous mist with the RGB effect, a second press for intermittent mist (30s on / 15s off), and a third press turns both mist and light off. If the water runs out, a red light flashes and the unit shuts down automatically — reassuring and fuss-free.
Do note a couple of things: there’s no internal battery, so you’ll need a USB power source at all times. The box includes the Type-C cable but not a mains adapter. For cleaning, don’t rinse the unit under a tap — wipe the tank with a soft cloth to avoid any damage to the electronics.
Technical details and what’s in the box
Dimensions: 6.5 x 6.5 x 14.5 cm. Weight: 178 g. Capacity: 100 ml. Power: 5 W, Voltage: 5 V. Material: plastic. Auto shut-off: yes. In the box: the USB diffuser humidifier, a Type-C USB cable (no adapter), and a user manual.
Who will appreciate this
- Drivers who want a fresher, less dry cabin on commutes or road trips.
- Anyone working in a small office or studying at a desk who fancies a discreet humidifier and scent booster.
- People hunting for a neat, affordable gift for family or mates — small, useful and easy to live with.
A few final pointers: stick to a couple of drops of water-soluble essential oil and avoid oily concentrates — those can clog the nebuliser. For longer journeys, carry a small bottle of distilled water to top up as needed. Simple to use, easy to clean and effective enough to notice — job done.