This device is a natural tranquiliser with Amethyst enclosed, it has a Metallic look. If you have a cell phone you really need one. They protect you from negitive EMF signals. The crystals are a bonus because they help many different aliments. As in "Reiki" healing. It has the following crystals:( Crystals are at both sides of bottom of tree) amethyst - Helps stimulate, and soothe the mind and emotions, calms the emotions, its a natural tranquiliser, reduces pain, relieves stress and strain, relieves insomnia, strengthens the immune system. Pink Jade (All Colors) - Helps stitches to bind, re-bind skeletal systems, diminish cramps, reproductive disorders, Calming effect, heals bones and joints, guards against illness, bacterial and viral infections, bed wetting Aluminum, Tree of Life center, Real silver leaf, Pearl tinting, Bail The crystals are cleansed and charged with sun light before manufacturing. The power of intent for healing, is put into each and every one of my pendants. The power of intent was first discovered in 1978 in the famous double-slit experiment where photons were observed. Every time the photons were observed the out come was different. All my devices have a waterproof coating. They are individually hand-crafted and may have slight artistic imperfections. The colors may be off slightly because of Monitors being set differently. *Not to replace your doctors or medications