【Inspired by Mermaid】 - The Onaboviva essential oil diffuser draws inspiration from the mermaid, featuring a handcrafted ceramic lid paired with a white base. It elevates monochromatic aesthetics to the extreme, highlighting the intricate fish-scale patterns. Simple yet exquisite, it is a rare and artistic decorative piece. The water tank utilizes durable and safe PP plastic, which is lightweight, odor-resistant, BPA-free and safe for families with kids or pets. It features an innovative SLEEP HELPER function—light auto-off in 30 minutes—plus intermittent/continuous mist modes. 【Ideal for Large Rooms】 – With a 280ml large-capacity tank, this aromatherapy diffuser ensures long-lasting fragrance (up to 12-24 hours*) and even coverage for spaces up to 30㎡. Perfect for bedrooms, living rooms, or offices, it combines powerful mist output with whisper-quiet operation, enhancing relaxation without disruption.（*up to 12 hours - continuous mode/up to 24 hours - intermittent mode） 【Energy-Saving & Safe Auto Shutoff】 Designed for convenience and safety, the diffuser automatically turns off when water runs low, conserving energy. Enjoy worry-free aromatherapy without the need for constant monitoring. 【3 Timing Modes & Sleep Assistance】- Customize your ambiance with 1/3/8-hour timer settings. Enjoy short bursts of fragrance or prolonged diffusion to match your needs. 【Whisper-Quiet & Sleep-Friendly】- Ultra-quiet operation (≤18dB) ensures undisturbed relaxation. 【Dual-Aroma Modes. Smart Humidity Control. Always a Dry Surface】This ultrasonic diffuser turns your favorite essential oils into a fine, fragrant mist while keeping your space comfortable and your furniture completely dry. Choose Continuous Mode for a rich, immersive burst of fragrance, or select the Intermittent Mode ( 30 sec. on /30 sec. off ) to gently maintain the ideal humidity level for subtle, all-day aroma. Both modes are engineered to prevent wet surfaces, offering you perfect scent balance without the mess. Simply relax and enjoy. 【Onaboviva Worry-Free Shopping】- The product includes 1 aroma essential oil diffuser, 1 power adapter, 1 user manual. The package measures 7.48×7.48×7.09 in while the product size is 5.8×5.8×4.9 in. Please rest assured to purchase as we provide a 365-day product guarantee—we have full confidence in Onaboviva's essential oil diffusers since we use them ourselves. Feel free to contact us anytime if you encounter any issues, as your satisfaction is our top priority. The Onaboviva ceramic aroma diffuser combines high-quality craftsmanship with the most advanced ultrasonic technology, serving as a stylish companion for enjoying healthy moments in any room. Made from the finest handcrafted ceramics, it stands out not only for its elegant design but also for its versatile applications: whether to relax in the bedroom, refresh with lemon scent in a home office, or use as an ambient accessory for a romantic night, the gentle aroma clouds. With precise 2.4 MHz misting, quiet operation (<25dB), and automatic shut-off, Onaboviva sets a new standard for ceramic aroma diffusers. The BPA-free PP materials ensure the highest safety for you, children, and pets, offering a timeless premium product for discerning aroma enthusiasts.