• The Kenko PowerBand® bracelet has TriPhase® Technology - a Nikken innovation that combines magnetic components with far-infrared energy and negative ions. • Helps relieve muscle aches and discomfort of tendons and joints. • Nikken Magnetic Technology employs a spaced array of magnets inspired by Earth's magnetic field. • Nikken Far-Infrared Technology reflects energy in the far-infrared portion of the spectrum, for a gentle warming effect. • Negative-Ion Technology releases the type of negative ions that are present in natural settings such as forests or near waterfalls, and provide a tranquil, relaxed feeling. • The Kenko PowerBandTM has a composite core of tourmaline and silicone that is soft and comfortable yet holds up to wear. • The unique PowerBand clasp allows you to connect them in multiples, to create a wristband, necklace or belt of any length. Neon bracelet Large 8.7 in/22 cm +/- 0.5 cm *One-year limited warranty.