This Tammy vibrating cock ring provides more and longer-lasting pleasure for both partners. This ring is designed to keep the penis hard and stimulate the clitoris. The ring is soft and flexible so it fits perfectly around anyone's penis and scrotum. The bullet vibrator inside the ring is easy to operate with the button. The clitoral stimulator features studs that provide extra pleasure during penetration. Tammy is easy to charge with the included USB cable. Use a little water-based lubricant for extra comfort. This cock ring has 2 flexible rings; 1 to put around the penis and one to put around the scrotum. These are the measurements: - minimum inner diameter small ring 28 mm - minimum inner diameter large ring 48 mm Clean the toy after use with lukewarm water and toy cleaner and dry it with a lint-free cloth.