Sell JVJH Portable Air Purifier Negative Ion USB Wearable Purifier Smoke and Odor Removal with lanyard Ai best price

The newly upgraded dual-carbon brush negative ion head releases more negative ions and purifies the air better.Built-in negative ion generator, not filter, zero consumables and more environmentally friendly.The negative ions continue to diffuse outwards centered on the human body, stabilize the negative ion concentration in 1m³ of the human body, and ensure air safety in all aspects.Built-in 200 mAh lithium battery, it can work for up to 12 hours when fully charged, and you can breathe fresh air anytime and anywhere.Quiet and noise-free work, the operating decibel is not higher than 18dB.Equipped with an adjustable lanyard, the length of wearing can be adjusted at will.Mini portable, the surface is treated with special frosting process, and the hand feels excellent.