Air Purified LED Desk Lamp / Rechargeable Energy Saving Book Light with Touch Adjustable Brightness / Health Anion Anti-radiation (White) Air purifiers: the negative ions generates and also remove particles as small as 0.01 microns, such as polutants, bacteria, fine dusts, smokes & viruses which cannot be removed by filtered air purifier Nice gifts for Kids, Girls, Women, Birthday, Chirsmas.Warm led light: also can be used as night light for baby and children Energy conservation and environment protection Provides natural, non-flickering light for stress free productivity Touch sensor switch