The Essential Oils Diffuser by HAOYUNMA offers a sophisticated solution for enhancing your living space with fine fragrances. Certified by industry standards including CE, EPA, FCC, RoHS, and UL, it guarantees safety and reliability. This electric aromatic diffuser operates via USB, making it convenient and energy-efficient for home or office use. Designed without any high-concern chemicals, it ensures a healthy environment while effectively dispersing scents. Please note, the unit does not include essential oils, allowing you the freedom to choose your preferred fragrance to create a personalized aromatic oasis. Manufactured in Mainland China, it combines quality and functionality in a sleek design.