Mini rechargeable personal air purifier with Necklace portable anion air filter purifier

Product category: air purifier
Function: smoke and dust removal
Rated frequency: 15 (Hz)
Working principle negative ions
Air purifier air volume: 50 m3 / h
Noise: 20 (DB)
Color: black, white

Product material: PC + electronic components + stainless steel chain
Input power: 0.1W
Input voltage: DC5V
Frequency: 2KHZ
Battery: 3.7V 200mah
Power supply: built-in battery, USB charging
Use time: 24 hours
Applicable area: less than 10m²
Anion density: 1m²
Product size: 6*5.5*2cm
Packing size: 10*10*5.5cm

Accessories: host, stainless steel chain, USB cable, manual