Feature: 1. Intelligent Touch Screen Design: Easy and convenient to operate, you can easily control the working mode and time of the aromatherapy machine through the touch screen to personalize the scent experience. 2. Healthy and Comfortable: The use of pure essential oils, no additives, to maintain the purity and naturalness of the fragrance, to bring the user a healthy and comfortable fragrance to enjoy, to create a pleasant living environment. 3. USB Charging Method: Convenient and fast, you can use the car charger or computer for charging, the high capacity battery can last for 15 days, no need to charge frequently. 4. Large Capacity Battery: It can provide long lasting fragrance time, which can meet the user's demand for long time use, and let the space continue to emit fragrance and improve the quality of life. 5. Waterless Large Fog Volume: Automatic fragrance spray design, no need to add water, more convenient and fast, avoid the trouble of adding water and cleaning problems, bring more convenient use experience. At the same time, the large fog volume spray fragrance can quickly diffuse the fragrance, so that the whole space more quickly filled with pleasant fragrance. Specification: Item Type: Aromatherapy Machine Material: Alloy, Glass Voltage: DC5V1A Product Size: Approx. 13.1x7.2cm / 5.2x2.8in Weight: 459g / 16.19oz Power: 2W Battery: Polymer li battery 2000mAh (included) Essential Oil Bottle Capacity: 20ML Suitable For: 20m² of space. Package List: 1 x Host1 x USB Cable 1 x Instruction Manual1 x Replacement Core