Personal air purifier

4 X portable air purifiers ColorWhiteBrandAibriskItem Dimensions LxWxH3.54 x 3.54 x 0.78 inchesPower SourceACItem Weight0.18 PoundsAbout this itemMINI : Keep fresh！NO CHEMICAL: Effectively improving quality and freely at home.WIDE APPLICATION: it can wear on your neck, hand,bag, trousers hook,Baby Carriage, Camping or just put it on your desk. Enjoy that’s completely natural and healthy.USB RECHARGEABLE : USB interface charging，easy to use and carry. The low loss design can make it work all day. The small design can make it easy for you to take it to travel, it can high efficiency remove of the hotel room, second-hand smoke, etc.SATISFATORY SERVICE : 1x 82g , 1 x USB Charging Cable, 1 x Nylon Rope. size 3.54'' x 3.54''x 0.78'',