About H2O – BIOU Air Humidifier – Essential Oil Diffuser – USB Plug, White (2 Watts)
The H2O BIOU is a compact ultrasonic air humidifier and essential oil diffuser designed for everyday home or office use. Powered via USB and drawing just 2 watts, it offers a quiet, energy-efficient way to add moisture to the air and create a pleasant aromatic atmosphere in any room.
With a 350 ml water tank, the BIOU delivers a fine, cool mist at an output of 30–45 ml/h. Three operating modes give you full control: continuous mist for up to approximately 4 hours, intermittent mist for up to approximately 6 hours, and a night mode with the LED switched off for undisturbed rest. A built-in auto-off function activates when the water tank runs dry, providing peace of mind during unattended operation.
The sleek white finish and whisper-quiet ultrasonic technology make the BIOU a discreet yet effective addition to any living space, bedroom, or workspace. Simply add water and your preferred water-soluble essential oil to enjoy a personalised aromatic environment throughout the day.
Usage & Operating Modes
Fill the 350 ml water tank with clean water and add a few drops of a water-soluble essential oil if desired. Select from three operating modes: Continuous (approximately 4 hours of uninterrupted mist), Intermittent (alternating mist cycles for approximately 6 hours), or Night Mode (LED indicator switched off for use during sleep). Mist output: 30–45 ml/h. The device shuts off automatically when the water level runs out. Connect to any standard USB power source (2 watts).
Warnings
Keep out of reach of children. Do not ingest essential oils. Use only water-soluble essential oils in this device. Ensure proper ventilation during use. Avoid direct skin contact with undiluted essential oils. If any adverse reactions occur, discontinue use immediately.
Storage
No specific storage conditions stated. When not in use, empty the water tank, allow all components to dry thoroughly, and store in a clean, dry location away from direct sunlight and extreme temperatures.



