EFFICIENT PURIFICATION:This ionic air purifier releases more than three million negative ion-purified air to remove contaminants from your personal space. Scientifically proven, it can effectively purify air polluted by indoor air and indoor harmful substances (such as pollen, dust), second-hand smoke and bacteria, mold, formaldehyde, and even PM2.5 air pollutants, which can improve your mood and sleep. PORTABLE & DURABLE:this mini air purifier is simple and compact. It can be hung around the neck, hung in the car, very stylish, and it can be used to create a clean, good air area in travel, public places or other places with poor air quality. Let the fresh air always accompany you. NO NOISE & EASY TO USE:The sound is very quiet during operation and will not bother you when you work or rest. The operation is very simple, just press the button for two seconds to enjoy the fresh air. PROTECT YOUR SAFETY:Portable ion air purifiers have no radiation. Negative ions effectively combine the static radiation of TV and computer to form a layer of negative ion protection layer to reduce the damage of radiation to the skin. COLOR:Black/White RECHARGEABLE:The portable ion air purifier has a USB charging port, Charge half hour can be used for about 20 hours ,to ensure your air is fresh and protect you during the flu season. Material:Plastic Package List: 1* Personal Air Purifier 1* USB Charge Cable Only the above package content, other products are not included. Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.The measurement allowed error is +/- 1-3cm.