These are the latest and most powerful in our popular necklace line. With 30 times the concentration of our classic Aqua-Titanium necklaces, our X30 necklaces are a safe, powerful way to treat neck and shoulder pain by realigning your bio-electric current, increasing your blood circulation and relaxing your muscles. Like the necklaces we designed specifically for professional athletes, these necklaces do not feel like metal but are light and supple. The strands of our revolutionary Phiten X30 necklace are permeated with 30 times more Aqua-Titanium than our regular necklaces. Its core has micro-sized Titanium spheres, as well as Carbonized Titanium. It can also be worn on the wrist, ankle or waist to quickly relieve pain and stress. - 30 times more Aqua-Titanium than standard Phiten necklaces - Its core boasts micro-sized titanium spheres and carbonized titanium - It can be worn on the wrist, ankle or waist to quickly relieve pain and stress