【BUILT-IN RECHARGEABLE BATTERY】Fully charges in about 5 hours using the included USB-C cable, with a single battery life of 5 hours. No longer limited by power cords, it’s specially designed for drivers and commuters, letting fragrance accompany you on your journeys and returns. 【WIRELESS AND PORTABLE】With a compact and refined size of just 2.67 inches x 6 inches and weighing only 0.7 pounds, it fits easily into a car cup holder. Whether you're relaxing in the car, working in the office, or unwinding at home, it’s convenient to use anywhere. 【DUAL-MODE SPRAY】Offers two working modes: “continuous spray” and “30-second intermittent spray,” allowing you to adjust the mist output as needed. Compatible with various essential oils, it provides excellent diffusion while helping to relieve dry air. 【7 Colors LED Light】Built-in with 7 gentle light effects, it supports both single-color and cycling modes, creating a comfortable visual ambiance. Ideal for nighttime relaxation, meditation, or fostering a focused work environment. 【SILENT & SAFE】Using ultrasonic technology, it operates almost silently, creating a peaceful environment. When the water level in the tank is low, it automatically stops working to enhance safety, allowing you to sleep soundly without worry. 【EASY TO USE AND CLEAN】Simply add clean water and 2–3 drops of essential oil to the 100ml water tank, then press the button to start using. It’s easy to clean with no disassembly required—just wipe with a soft cloth or cotton swab for regular maintenance. 【THOUGHTFUL GIFT】This portable diffuser combines practicality and aesthetic appeal, making it a thoughtful little gift for family, friends, or car owners. It's suitable for various occasions such as birthdays, holidays, and more.