jakcom r3 smart ring in smart devices like trend 2018 dkktech game m4 smart band

smart ring packaging details: inner white box: unit g.w is about 39g, unit size is 7cm x 7cm x 6cm; outer brown box: unit g.w is about 14710g, unit size is 53cm x 29cm x 37cm , max with 360 pcs smart rings.