Ion Bracelet By Infinity Pro - Ion Core Power Band Over 4000 Negative Ions Best for Sleep, Energy, Balance, Focus, Golf, Sport. Men or Women. Pure Black Tourmaline Infused Ionic and Energetic Silicone Health Wristband for Maximum Performance. UK Tested. 4000+ Negative Ions - 24 Hour a Day Wearability Tourmaline, Titanium & Germanium Infused Silicone. Far Infrared + Alpha Waves Ergonomic & Comfortable With Hypoallergenic Stainless Steel Clasp Adjustable Custom Fit & Anti Snap Design Waterproof with 30 Day Results Guarantee