... , including 3pc AG3 batteries, differ color fing ring including differ light. 1. finger ring size in 4cm L * 2cm W * 1 ... red finger ring is red light, white finger ring including white light, blue is blue light.4. turn on light by button on the ... hand too.5. total red, blue, white & green four color, light is these four color too.6. 4pc per set, packed ...