Negative Ion Purification: Our ion air purifier uses negative ion technology to capture airborne particles such as dust, dander, and pollen, helping to reduce airborne impurities and improve air quality. This process contributes to cleaner, fresher air in your environment. Silent Operation: This compact air purifier operates at less than 30 decibels, making it virtually silent during use. It is ideal for bedrooms and suitable for use around babies and the elderly. The release of negative ions may help promote relaxation, support better sleep, and enhance mental focus. This high-quality portable air purifier continuously improves air quality for 24-hour use and helps create a personal clean air space. Plug and Play & Energy Efficient: Simply plug the device into a power outlet and it starts working immediately—no assembly or setup required. The mini air purifier features a soft blue LED indicator light and produces a very quiet sound, which is normal during operation. The plug-in design ensures low power consumption and safe performance. No Filter Required: This air purifier generates negative ions that help capture and neutralize airborne particles, causing them to fall out of the air. Negative ions may also help increase oxygen levels and improve overall indoor air quality without the need for replacement filters. Wide Range of Applications: The compact size makes it suitable for various spaces. Dimensions: 10 cm (3.9 in) long, 6 cm (2.36 in) wide, 3 cm (1.18 in) deep (excluding plug), with plug prongs approximately 3 cm (1.18 in). Weight: 85g per unit (170g for 2 units). Ideal for use in offices, bedrooms, bathrooms, kitchens, toilets, hallways, closets, pet areas, and more.