This ultrasonic humidifier operates at a noise level of less than 36db, ensuring a peaceful and undisturbed environment for rest and relaxation::The user can enjoy a quiet and serene atmosphere without any disturbance:: With a 3.4L water tank capacity, this humidifier can efficiently humidify a room of up to 25 square meters::Additionally, the product offers customization options for colour, logo, and pattern, making it suitable for various applications, including hotels and households:: The product comes with an English, German, French, Dutch, and Spanish language interface, making it accessible to users worldwide:: This feature ensures that users can easily operate the humidifier regardless of their language proficiency:: This humidifier is designed to provide aromatherapy benefits, allowing users to enhance their mood and well-being::The user can add their favourite essential oils to the humidifier for a refreshing and relaxing experience.