NOTE: The charging cord is placed inside the water tank. | All-in-one Diffuser: More than just an aroma diffuser for home, our essential oil diffuser functions as a cool mist humidifier, night light, and beautiful room decor. It provides continuous cool mist, filling your home with a fresh, fragrant scent while gently humidifying the air. This small black diffuser's compact and portable design is ideal for home, office desk, bedroom nightstand, yoga studios, and spas. It's also a perfect gift for family and friends. | Appealing Design: Exquisite metal exterior with classic tree pattern. This metal diffuser perfectly aligns with simple, minimalistic, modern and contemporary decor styles. Featuring 7 color LED lights, each with bright and dim options, the air diffuser allows you to choose your preferred color mode or rotating colors. It's perfect for any setting, adding a touch of elegance to any space. | Whisper Quiet Ultrasonic Technology: Utilizing advanced ultrasonic technology, our aroma diffuser operates quietly without disturbing noise, making it perfect for use while sleeping or working. It fills the room with a lovely fragrance that uplifts spirits and relieves stress from a tiring day. | Safety Design & Auto Shut Off: The Aromatherapy Essential Oil Diffuser includes an auto shut-off feature that activates when the water is depleted, preventing damage to the unit. Easy to set up and operate. The cover is effortlessly removable, making it simple to fill with water and essential oils. | Quality Assurance: JOYOLO specializes in offering aromatherapy and fragrance products, ensuring that our Aroma Humidifier & Aromatherapy Essential Oil Diffuser has passed all safety and durability tests. We offer a 45-day money back and a 24-month worry-free guarantee. We back our products with a dedicated 24-hour customer service team, committed to ensuring the complete satisfaction of our valued customers with JOYOLO's offerings.