Features: Increases energy. Helps to lose weight. Radiation Protection. Improves circulation. Calm the mind & improve focus. Helps to retard the ageing process. Improve stamina, endurance & strength. Improve sleep and eliminate neurasthenia. Enhances the immune and endocrine systems. Alleviate soreness, aches & pains, and improve flexibility. Enhances cellular permeability, nutrition and detoxification. The pendant contains volcanic rock component and can produce negative ion energy. Strengthen the body's bio-energy field to protect from harmful electromagnetic waves. Package Included: 1 x Energy Volcanic Stone Pendant Notes: 1.Manual measuring, please allow 1 ~ 5 mm error,thank you. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures.Please understand, thank you!