Portable Air Purifier Necklace

CPN-555705219

The dimensions of this negative ion air purifier are 2.76inches in length by 1.18 inches in width by 0.71 inch in height. It is powered by USB and can be turned on by pressing and holding for 3 seconds to activate the low-speed mode. Pressing it again switches to high-speed mode, and holding for 3 seconds turns it off. It can run for approximately 30 hours on a one-hour charge. This neck-hanging air freshener releases negative ions to eliminate dust and pollen in the air, keeping the surrounding air fresh, suitable for daily, work, and other occasions. This hanging air freshener is convenient for infants, toddlers, and adults to use.