Screaming O Double O 8 Speed Vibrating Cock Ring Blue. Extended angled vibrator for full motion contact. Double rings for a snug fit. 1 for shaft and 1 for testicles. Super powered bullet motor for mutual satisfaction. Country of Origin China. Battery type used replaceable AG13. Battery life 80+ minutes. Batteries included. Materials body safe SEBS silicone ring, ABS plastic bullet vibrator. Product type vibrating cock ring. Texture pleasure ticklers.