Sell Mini USB Wearable Necklace Air Purifier Personal Portable Air Purifier Negative Ion No Radiation Low Noise for Adult Air Cleaner best price

Product description: Using the pulsed cutting edge technology to release a large amount of oxygen s, using the latest double carbon brush and double negative ion generator design, more than 6 million negative ions can effectively remove floating dust, smoke, formaldehyde , PM2.5 and other harmful substances in the air. Portable Design: Portable necklace design, or hanging in pocket or bag, stylish and practical to carry. You can wear it all day without feeling tired. It will not disturb you even while you are working or resting with a quiet fan and motor. Applicable area: This air purifier radiates a 3.3 foot track of safer air in any direction, creating a sphere of protection. It offers you an almost natural state environment, even in some public places. Specs: Power supply: USB Working principle: s Applicable area: below 10m² Density: greater than the illions uds / cm and sup3; Noise: below 25dB Input voltage: 5V Input power: 0.1W Size: 5.5 * 6 * 6 * 2cm Color: Black / Pink / White Material: plastic Package Included: Metal Melting Torch Mini Gold Furnace Graphite 1 * air purifier 1 * Usb Charging Cable 1 * chain 1 * Manual Note: Light in photography and different displays may cause the color of the item in the picture to be a little different from the real thing. The measurement allowed error is +/- 1-3cm.