Mini Pure-ion Portable and Wearable Travel Personal Ionic Air Purifier Model: XJ-860.Rated Voltage: DC 3V.Power Consumption: 0.5W/2AA batteries Mini-size, easy to carry.Dimensions (mm): 92 x 49 x 29.Weight: 55g Lon Output: ?1 x 104/cm3.Active Oxygen Output: ?0.04ppm Wholly electronic circuit, low energy consumption Ionic air movement, silent operation.Clean and fresh air, promote your health