Air Purifier Necklace | Wearable Electronic Air Pendant Usb Mini Air Cleaner Ion Product Description: Quantity: 1pc color: pink Personal Wearable Necklace Air Purifier Mini Wearable Air Purifier Necklace, USB Charging Bedroom, Personal Wear, Car Rearview Mirror, Office, Travel Air Purifier Enjoy fresh air with confidence. Makes an excellent and thoughtful gift for friends and family Releases more than 120 million negative ions to purify the air to remove contaminants in personal spaces. No noise, easy to use. The mini air purifier produces negative ions to adhere to the particles in the air and make them become larger and heavier. This accelerates them to the ground, and result in the elimination of these particles in the air This wearable air purifier is both stylish and functional. When wearing your personal air purifier around the neck, it purifies the air in your personal space by improving the air quality directly around you - providing protection up to 48 hours on a single charge Studies have found that using negative ion technology could help you sleep better. The portable air purifier necklace has the full potential of improving your sleep quality over time. Purified air exposure improves your reflex system