14K Solid Gold Retro-styled Q-Link SRT-2 Pendant. (Current version is SRT-3 / see link & further details below) Retro-Styled Limited-Production Model. Manufactured/Handmade in the U.S.A. 75-feet of wound-up copper filament is built into the back of it. "It works like a tuning fork, resonating with -- and strengthening, the life-enhancing information already present within the biofield." In 1994, the National Institute of Health in the United States adopted a new term, "biofield," to describe a growing body of research showing a subtle energy field that permeates and extends beyond the physical body. The biofield is a vital force that animates our bodies and powers our daily lives. People who wear a Q-Link report having clearer thinking, increased awareness, calmness, better sleep, enhanced mental focus, stamina and vitality! Reduces harmful effects of Electro Magnetic Fields (EMFs). Weight: 18g (not including the weight of the sterling silver chain which is being offered for FREE) W: 29mm X H: 29mm X D: 5mm Seller will include for FREE a brand-new sterling silver chain that has never been worn. It was made and designed in Italy and very much complements the 14K gold pendant! (8 PHOTOS ATTACHED + FURTHER DETAILS BELOW) For comparison, recommend seeing the nearly identical Q-Link SRT-3 Pendant here: https://www.shopqlink.com/collections/q-link-gold-srt-3-pendants/products/q-link-polished-gold-retro-pendant-with-srt-3 Can be worn by both men & women. Great gift for any athlete or performer, professional or not! Used by over 300 professional tour golfers to optimize performance and focus. Like new! Pay no taxes, no shipping & handling, & NO IMPORT DUTIES ! While Q-Link simply helps to harmonize your body and mind: you feel better and this gives you a creative edge! More energy, less stress, greater focus, and enhanced well-being!