This black cock ring is made for males who wish to take pleasure in intercourse much more and wish to last more in mattress. The ring is supplied with a mini vibrator that makes certain you and your companion expertise an amazing stimulation. The Stayer cock ring is made of sentimental and elastic materials for an ideal match. The vibrating ring is napped for added stimulation. The set consists of 2 units of batteries. 1 set lasts approx. 45 minutes.