Features:Put yourself in the forest oxygen bar and quickly purify in 15 seconds.The high concentration of negative ions keeps you in the purifying range at any time.Small size, fast purification, intelligent display, easy to carry, no need to replace consumables.Continuously release negative ions to purify the air in all directions.It makes you feel as if you are in the forest every time you breathe, fresh and natural. Package Includes:1x Air Purifier Specifications:Material:ABSSize:Approx.7x2.6cm/2.75x1.02inchesColor:Black/Red/Silver note:1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.