feature:1. Nano mist: fine and even water particles can penetrate into the bottom layer of the skin.2. Convenient to carry: light weight, small size, easy to carry and use.3. Applicable occasions: This humidifier is suitable for travel, car, office, and family.4. Silent humidification: Silent humidification, moisturizing, quiet and not disturbing.5. Large capacity: 300ml large capacity, add water for 8 hours at a time, no need to add water frequently.describe:This humidifier has a large capacity of 300ml and can be filled with water for 8 hours at a time. There is no need to add water frequently. The fine and even water particles can penetrate into the bottom of the skin.Specification:Size: 84*84*127mmMaterial: ABS/PP/electronic componentsWorking voltage: DC5VPower: 2WSpray volume: 50ML/HApplication area: 20-30Working current: 400mAWater tank capacity: 300MLService time: 4-8 hours [continuous/intermittent]Applicable water quality: tap water/mineral waterTiming function: 2-8 hoursNumber of fog outlets: 1Mode of operation: mechanicalFunction: UltrasoundPower supply mode: USBNoise: below 36dbApplicable area: within 10 square metersPackage Included:1* Humidifier (without battery)1*charging cablenotes:1. Due to manual measurement, please allow an error of 0-1 inch. thank you for understanding.2. The monitor is not calibrated, and the color of the object shown in the photo may be slightly different from the actual product.