The 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 in full Technicolor. Super-powered with super-bright colors. the ColorPOP Big O 2 is the ultimate in vibrant vibration! Bright neon colors for vibrant vibration! 4x function upper motor: 3 speeds pulse. Vertical head for increased stimulation Bottom vibrating motor with steady 'on' mode. Stretchy erection ring. Easy on/off button. Available in 2 colors: green and blue. Replaceable AG13 batteries last 60 minutes. SEBS silicone is latex-free and phthalate-free. Wireless. Waterproof.