Extremely lightweight necklace with a wearable design.Made of stainless steel fashion necklace, high negative ion production efficiency. Ultra-lightweight body, wearing no burden.
There are two modes for different situation which are outdoor (high negative ion number) / indoor (power saving). The feature of the air purifier is over 20 million negative ions per second. It is effective to remove particles above PM0.1 to over 99.9% (including PM2.5). Near zero odor generation rate (<0.001ppm)
It is USB rechargeable design. When you charged it, it can be used continuously for 30 hours. So, you can take it anywhere, just like go travelling or having picnic. It passed SGS, BSMI, UN38.3, MSDS certification, you can safety to use.