Improve your strength and concentration with Power Balance. Our new Bio Mag Power Balance wristband has a modern sleek design. Featuring hologram technology, as worn by elite athletes to improve their performance and for general well being. Hologram technology works with your body’s energy field and biological energy system. Try it for yourself! You’ll soon notice a difference in improved balance, strength, concentration and flexibility. Extremely powerful, perfect for boosting your active lifestyle. Very durable, waterproof and available in two sizes: medium and large.