Mini Anion Air Purifier Are you always annoyed by air problems? Whether haze weather or automobile exhaust on road, or foul smell and second-hand smoke in enclosure space...there's always threats in the air and harm your respiratory system. This mini anion air purifier has got a tiny body which can be worn like a necklace. The lightweight will not bring any burden for your neck. The purifier is multi-functional for various pollution. Customize it with your photo, pictures and text, the unique design will make it a special adornment on you, and bring a healthy and fresh environment at the same time. ・Dimensions: 4.6 cm x 4.6 cm x 1.7 cm ・Material: ABS ・Weight: 50g ・Battery Capacity: 250mAh ・BLACK TECH OF PURIFICATION: Various pollution problems can be saved, provides you fresh air and healthy life ・MULTI-FUNCTIONS: For degerming, removing smoke, PM2.5, dust and pollen ・MINI AND PORTABLE: Mini size with lightweight, can be hanging on neck, or anywhere ・CAR PURIFIER: Can be used as a car purifier and make your feeling delighted ・NO CONSUMABLE MATERIAL: No need to change filter, eco-friendly and convenient ・LONG STANDBY TIME: Universal and convenient USB charging, can be used for a long time