Sell Mini Portable Air Purifier Wearable Air Purifier Necklace USB Air Cleaner Personal Negative Ion Generator best price

Features: 1.This product can actively adsorb and filter PM2.5, second-hand smoke, smoke, pollen, dust, formaldehyde and other polluting micro-particles, and remove certain harmful substances such as germs and bacteria. 2.This product has a built-in battery capacity of 250mah, which only needs 0.8 hours to get fully charged. 3.There is no noise when the product works, the body is light and portable, can be used from babies to the elderly. It is suitable for use in classrooms, smoking places, bars, shopping malls, and even at home. You can either hang it on the neck or on the key chain. 4.After turning on the product, put the product to your ear, you can hear the babble sound from the transmitter, which is releasing negative ions. Specifications: Battery: 250mah Power: 0.1W Negative ion: ＞15 million ions/CC Material: ABS Color: black, white，yellow Size: 4.7*4.7*1.7cm Suggested usable area: 9㎡ Packing list: 1* Unit 1* User Manual 1* Hanging Lanyard 1* USB Charger Cord