... available Size: 17.5cm, 19.0cm, 20.5cm Fashion Energy Balance Silicone Ion Bracelets with Hologram Specifications:1. ... size: 19.0cm; small size: 17.5cm10. Fashion, cool and good for our health Function of Anion :* Recuperate physical ... , stabilize nervous system, promote cell regeneration, and prevent ageing.* Improve concentration and boost work efficiency.* Isolate electromagnetic radiation, such ...