black silica  → . infra-red rays .. line ...

bracele . necklace . put on digit ........ person ..

other accessory ....... put on ..... person ... many . . .

moreover, . pcs . knees . gel .. black silica . effect ..... person also

most ........... . .

.. free .. band type . therefore . put on . out ... one touch . comfort ..

width . approximately 7mm. Smart . Fit does .

. specification .

body . stainless steel

original gel .. have bead . black silica . have bead

size .24cm

width . approximately 7mm

weight . approximately 15g