... a set of titanium, germanium healthy jewelry and other rare metals R & D, design, manufacture and sales of new technology ventures ... temperature.Other pictures:Hot sell&High tech design negative ion power watch 1. Material:100% silicone2. Color: multi-colored3. Size: ... and Events7. Type: UV watch, Glow in the dark watch, power watch,energy balance watch,silicone watch, silica gel watch,waterproof ...