Description: You can directly add a few drops of essential oil into the water tank, the humidifier turns into an oil diffuser, allowing you to enjoy the fragrance and relax your mind immediately . Simply open the top cover to fill with water and clean it. The mist humidifier can moisturize the air for continuous operation, 360 uniform humidification, so you can breathe fresh air, feel the fresh air as if you are in a forest. < br/> Features: [Cool Mist] Safely moisturizes the air for continuous operation so you can breathe easily and get a more restful sleep. [Environmentally friendly] No need batteries or extension cords, this mist humidifier has a convenient USB interface. [Quiet] There are not many noises to wake you from your sleep or disturb your guests. Convenient and easy to use, space-saving and portable. [Widely applicable] Provides ideal coverage for cars, bedrooms, offices and other medium-sized rooms, makes you feel the mist cooler. br/> [High quality] Made of high quality ABS, PP, silicone, durable and eco-friendly for long term use. Features: Color: Pink, white, green (optional). Material: ABS, polypropylene, silicone Style: Casual Capacity: 260?mL Spray volume?: 35?mL/h Operating voltage: 5V DC. Working time: 8h Time delay: 4h Backlight: 3 colors Occasion: home, car, hotel, school. Product size: 10.8 * 6.8 * 7 cm / 4.25 * 2.67 * 2.75 inch Package size: 11*7*7cm/4.33*2.75*2.75inch Package Weight: 105?g / 0.23?lb Package List: 1 * Mist Humidifier 1 * USB Cable 1 * User Manual br/> Note: 1. Please soak the filter cotton completely before using it to ensure it works normally. 2. Adding essential oils (not included) will harden the cotton swabs, shortening their lifespan. After use, you can thoroughly clean the cotton swabs and nozzles to reduce waste.