The Acu-Field Energy Bracelet is made of titanium and stainless steel infused with IQS energy. These attractive bracelets come with an adjustable silicone band. The Acu-Field bracelets will insure that you pass the balance and strength test shown in the test section of this site. The bracelet functions the same as the pendant it is a matter of personal preference. Athletes sometimes prefer the sports bracelet over a pendant.