The SEBS silicone ColorPoP Big O 2 double vibrating erection ring features two powerful motors for dual-action sensations. Couples enjoy 3 speed plus pulse options on top and strong-and-steady stimulation on bottom for maximum satisfaction. Super-powered with super-bright colors, the ColorPOP Big O 2 is the ultimate in vibrant vibration. Replaceable AG13 batteries last 60-plus minutes. Box of 6.