1.Negative ion energy card 2.1000-3000 ion available 3.Improve blood circulation 4.can print your logo 1.Usage:Put in a pocket (or can be pin fixed on the underwear).Put it in your carry-on wallet2. Energy card promotes positive flow of energy and helps to maintain energy balance. It helps to restore energy that has become weak in the body. By restoring the energy balance in the body this pendant ...