Feature: Please note: other accessories are not included. 100% brand new quality Specification: 21*1.5CM Material: steel Energy: 2000-3500 ions Color: blue, black, gold, silver Scope of use: all people Feature: 1. The bracelet can promote metabolism and blood circulation, promote fast and healthy weight loss 2. This bracelet can effectively improve your fertility and testosterone without any side effects. It can be easily adjusted to the size of your wrist! All men must be there. Possess IP plating technology to keep the color for a long time! 100% lightweight, durable and hypoallergenic. 3. Reduce fatigue and tension, thereby improving the ability to perform at the best level, * reduce muscle tension, increase flexibility-prevent injury 4. It is composed of 4 powerful therapeutic minerals including germanium, magnets, infrared rays and negative ion tablets, which can improve mood and health Package Included: 1*Negative ion bracelet