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Plutoos Mini Humidifier Classic - Ultrasonic Bottle-Cap, USB, No Light (PL11789)

Plutoos Mini Humidifier Classic - Ultrasonic Bottle-Cap, USB, No Light (PL11789)

The Plutoos Classic is a compact ultrasonic humidifier in a bottle-cap format. You simply screw the white cap onto a standard PET drinking bottle - the bottle itself becomes the water tank. The device stays small, light and travel-friendly, with no separate tank to clean.

High-frequency ultrasonic vibrations turn the water into an ultra-fine, cool mist without any heating. Power is supplied via USB (DC 5.0 V / 1.0 A), so it runs from a power bank, laptop, car USB port or any standard adapter. The Classic version is intentionally without a night light, perfect for anyone who wants a purely functional, very quiet humidifier with no LED in the room.

Typical scenarios include desks, hotel rooms, cars, campers or skincare routines - anywhere dry heating or air-conditioned air strains skin and airways. If you also want a colour-changing LED night light, the same mechanism is offered as PL11803M (standard), PL11885 (Pink), PL11886 (Blue) and PL11896 (White).

What is included

  • 1x Plutoos Classic mini humidifier (bottle-cap)
  • 1x USB charging cable
  • User manual

Suitable rooms and use cases

  • Desk and home office during the heating season
  • Bedroom and hotel rooms while travelling
  • Car, camper and motorhome (fits into the cup holder)
  • Vanity and beauty routine to set make-up
  • Indoor plants and small reading corners

Why choose this Plutoos humidifier

  • Bottle-cap principle - any standard PET bottle becomes the water tank, no extra vessel required
  • Ultrasonic cold misting without heat - gentle on ingredients and safe near kids
  • Very quiet operation, good for bedrooms and focus work
  • Pure humidifier design with no night light - ideal if you do not want LEDs in the room
  • USB-powered - power bank, laptop or car USB is enough

Technical data

TypeMini bottle-cap humidifier
TechnologyUltrasonic cold misting
PowerUSB DC 5.0 V / 1.0 A
Water tankStandard PET drinking bottle (customer-supplied)
Night lightNo (Classic)
ColourWhite
Recommended waterStill mineral water
Essential oilsNot suitable
Article numberPL11789

Shipping and warranty

  • Free shipping for all orders
  • Next working day delivery when in stock (stock and delivery date shown near the "Add to Cart" button above)
  • 60-day return policy for unopened items
  • 14-day return policy for opened items (fees apply)
  • Secure payments via PostFinance Payment Gateway, TWINT, Mastercard, Visa, Google Pay and PostFinance Pay
  • Eco-friendly packaging

Frequently asked questions

Which bottles fit?

The cap is designed for common PET drinking bottles with a standard screw thread. Very wide or square necks may not fit.

Does this model have a night light?

No - the Classic PL11789 is deliberately LED-free. For a colour-changing night light pick PL11803M, PL11885 (Pink), PL11886 (Blue) or PL11896 (White).

Can I add essential oils?

No. Please use clean water only - ideally still mineral water - so the misting filter is not damaged.

How do I clean the unit?

Pour out the water after use. If you notice an odour, gently wipe the misting filter with white household vinegar and rinse with clean water.

What if there is no more mist?

Check the water level, the USB power and whether the cotton filter inside the riser tube is seated correctly and absorbing water. If it is loose or dry it must be reseated or replaced.

Is there a Plutoos alternative for larger rooms?

For larger rooms or aromatherapy consider PL11809 (5-in-1 aroma diffuser with soundscape) and PL11811 (smart hydroponic planter with built-in humidifier).

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