Personal Wearable Air Purifier Necklace/Mini Portable Air Freshener Ionizer/Negative Ion Generator/Low Noise for Adults Kids

High quality: Essential oil / aroma pads allowed, 3 airflow speeds, powered through a USB cable, numerous CNC air inlet venting holes.
Advanced filtering: Effectively removes PM2.5, pollen, smoke, dust, flocci, formaldehyde, unpleasant odors and more.
No noise: Silent Mode sanitizes the air for easy breathing and more restful sleep with a noise of 35dB tops.
Scientific gas supply: Produces up to 8 million negative ions PCS / cm, offering you fresh air all the time.
Automatic detection: Automatically detects and indicates the air quality around via different colors of the LED Indicator.
Rated power: less than 1W
Rated voltage: 5VDC
Standby time: 35 hours
Charging method: USB
size:5.8*2.5cm
Material:ABS
colour:blue / Pink
Package Contents:
1 * air purifier
1 * usb cable
Only the above package content, other products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.