Features:
. Ozone-free carbon fiber ionizer generates millions of
  negative ions to clean and ionize the air thoroughly.
. High-performance fan silently draws the polluted air
  in, then disperse the negative ions evenly back into
  the air.
. Natural aroma beads (optional) enrich the ionized air
  further.
. Small, compact & portable. Good for use in offices, cars
  or for traveling.
. Multiple power input types (optional): 3 x AA batteries/
  USB cable/car lighter adaptor/main AC adaptor.

Specifications:
. Rated Voltage: DC 4.5 V
. Power Supply: (optional)
  . 3 pcs 1.5 V AA-size alkaline batteries
  . USB power cable
  . Main AC/DC adapter
  . Car lighter adapter
. Power Consumption: Max 1 W
. Effective Area: 3 m
. Dimensions: H 116 x W 80 x D 70 mm
. Weight: 0.17 kg
. Ozone Concentration: < 0.05 PPM
. Negative Ions Output: > 1,000,000 ions/cm3