1. Negative ion purification: This air purifier can release high-concentration negative oxygen ions through double negative ion emitters and carbon fiber brushes to achieve the effect of effectively purifying the air. At the same time, there is no need to replace the filter screen inside the purifier, eliminating the cost of consumables And replacement difficult problems, more environmentally friendly. 2. Neck-hanging design: The portable air purifier adopts a neck-hanging design, which is small and light, can be carried with you, and is convenient to use outdoors or in the car. At the same time, the shell of the purifier is made of ABS material, which is solid and durable. 3. Safe and radiation-free: the purifier adopts negative ion purification technology, does not need to use radiation substances such as ultraviolet rays, and has no harm to the human body. It can be used by young children and pregnant women, which is safer and more secure. 4. A variety of colors are available: the purifier provides white, pink, black, red and other colors to choose from, simple style, suitable for different occasions and personal preferences. 5. Intelligent one-button operation: The purifier adopts button-type intelligent control, which is easy to use. Just press to turn on the purification mode, and you can stay away from air pollution. In addition, the noise of the purifier is lower than 36dB, which will not interfere with your rest and work.