Sell Wearable Air Purifier Necklace Mini Personal Portable Air Freshener Ionizer 20 Million Negative Ion Low Noise for Adults Kids best price

Small size: Portable mini air purifier comes with a durable lanyard USB charging and low power consumption: zero ozone and no radiation, safer and healthier to use. Absorb formaldehyde: it can can release up to 6 million negative ions to resolve the air quality problems around you, like eliminate second-hand smoke and purify the surrounding air. Description: The air purifier's working volume is as low as 5db, so you can use it in the office or bedroom without any disturb. Specifications: Size: 5.5X6X2CM Color: White Negative ion concentration: 6 million pieces / cubic centimeter Package Included: 1x mini purifier