Come and see our amazing products. This air purifier necklace is made of ABS+alumina. With just a click of a button it will silently emit more than 20 million negative ions per second. The same type of molecules found in natural retreats such as beaches, waterfalls or mountains. The modern and compact design makes it blend with whatever you wear without attracting negative attention. Within just 60 minutes of plugging your necklace in you will receive over a day's worth of high quality. You can feel clean, refreshed, and protected whether you're at work, out at an event. Some of the benefits include: beginning to get better quality sleeps, elevated attention spans, a clearer immune system, reduced headaches, and highly improved physical performance. Pls confirm further with us if any query about packing info, inventory status and time schedule.