Susliving Portable Negative Ion Air Purifier Silver Necklace Pollen Portable Wearable Negative Ion Air Purifier Necklace with Light Weight Portable Wearable Negative Ion Air Purifier Necklace Black" at 1998 Portable Wearable Negative Ion Air Purifier Necklace with Light Weight. Product information: Material: ABS+PC Battery capacity: 1000mAh Appearance size: 85*39*23mm Camera: No camera Wearing style: hanging neck Wireless distance: 10m and above Operation mode: touch + button Product size: 85*39*23mm Interface: TYPE C Screen resolution: 1280*780 Screen material: LCD Packing list: Air purifier*1