Features: 1.Portable Negative Ion Air Purifier, 3 in 1, Oxygen production + atomization + anion.The high-efficiency air purifier covers an area of up to 100-200 square feet, making it perfect for bedroom, baby room, and offices. 2.Air purifiers clean air in all directions, can remove common impurities including allergens, smoke caused by wildfires, pollen, odors, dust, leaves you a clean and healthy environment. 3.Multiple noise reduction design. Filter the air with a noise lower level of 45 dB for a restful and soothing indoor environment, helping you and kids sleep comfortablely, without disturb. 4.Three rows of inlet and outlet, uniform heat dissipation and long service life. High-precision pure copper compressor, durable. 5.Five-fold filtering, colored LED blue light prompt, one-button operation, easy operation for both the elderly and children. Ideal for car, room, office, baby and olds, etc. Specifications: ug Type: EU Plug; UK Plug; US Plug; AU Plug Features: Oxygen production + atomization + anion Power Supply: 12V 2A Charging Type: USB Negative Ion: Approx. 300 Thousand per/square meter Noise Level: