General description Portable Air Humidifier USB Aroma Diffuser features an ultrasonic design that provides a soothing mist while also functioning as an LED night light. This compact device is perfect for enhancing your home environment with essential oils, creating a calming atmosphere. Technical specifications Color: Black Material: ABS Package Contents: 2 x Humidifier, 2 x USB Cable, 10 x Cotton Swabs, 2 x English Manual Measurement allowed error: +/- 1-3 cm Installation Ensure the tank is filled with water below the Max line before use. Connect the USB cable to a power source. Usage Press the LIGHT button to turn on the LED light; the color will change automatically. Press again to select your preferred LED light color. Press the MIST button for continuous mist; press continuously to select the misting time. For optimal aroma, add 2-3 drops of essential oil to 100ml of water. Wait 3-5 minutes after filling to allow the cotton swab to become fully wet. Other information Maintenance