About this item 300ml ultrasonic essential oil diffuser & humidifier releases a fine cool mist, adding moisture to the air while dispersing soothing aromas throughout your home or workspace. Quiet operation ensures peaceful use during sleep, meditation, yoga, or office work without any distracting noise or disruption. LED color-changing lights create a relaxing ambiance, enhancing spa, yoga, or bedroom environments while acting as a gentle night light. Ultrasonic technology breaks water and essential oils into micro-particles, efficiently diffusing fragrance and moisture for an even, consistent air effect. Compact and portable design is suitable for home, office, bedroom, car, spa, or yoga studio, making aromatherapy convenient wherever needed. Automatic shut-off function activates when water runs low, ensuring safe use and protecting the device from damage while offering worry-free operation. Supports a wide range of essential oils to create calming, energizing, or mood-boosting environments for relaxation, meditation, or focus.