energy silicon watch 1.small order acceptable 2.OEM service 3.many colors: ... blue, light blue, purple, pink, brown, orange2. Dimensions: L20 M18.5 S17cm3. Packing: PVC cardboard packaging4.Material:anion,silicon function:1 ... 's design can be available4)physical principles,no side-effect;5)environmental protection,non-toxic,save and reliable6)it has good ...