This handy stamina ring features a powerful vibrating bullet that delivers incredible vibrations all the way down your shaft. The soft TPR ring gives you a tight grip and puts a clamp on performance letdowns, making you last longer and extending the fun. The discreet ring is small enough to fit in your pocket, briefcase, or travel bag so you're always ready for action! The stretchy TPR can be enjoyed in full confidence with water-based lubricants. Try it in the shower or spa and turn bath time into pleasure time! Requires 3 LR44 batteries (included).