Note: This item comes with US plug, please confirm the voltage of your area before purchasing.If you are looking for a practical and affordable air purifier,then your research is over here. With high durability, not easy tobreaking and wearing. It will be a good choice for you. Can be used as a gift to your friends and families. Adopted of good quality, not easy to breaking and damaging.Features-Material: ABS.-Size: About11.50X4.00X5.00cm/4.52X1.57X1.97in.-Air Purifier Air Volume : 50 cubic meters/hour.-Power Mode: Alternating Current.-Control Mode: Button Type.-Working Principle: Negative Ions.-Applicable Area: 41 (inclusive)-60 (inclusive).-US: 110V.- Releasing fresh negative ions, purifying pollutant in the air, and double-effect protection at ease.-There are more than 20 million negative ions released around it, which is more scientific and more evenly distributed.- Portable design, small sizes, light weight, easy to carry, button type, easy to use.- Fast purification and quickly charging time, long working time, convenient to use.- It has a stylish design, also could be a nice decor for your living places.