Adjustable Size Glans Vibrator with 2 Flexible Flaps-This vibrating silicone stimulator is specifically designed to stimulate the frenulum, the sensitive underside of the penis, for mind-blowing extreme ejaculation. The vibrating section is solid and it has two thinner flaps either side that curl round the penis comfortably. The flexible sides make it easy to adjust the tightness of your grip for a more intense experience and it would be suitable for a variety of different widths.

It has 10 Powerful Vibrations-The male masturbators has a bump with soft twigs at the top to help stimulate your frenulum, while the ridges mean you get extra stimulation from any movement.

It is a 2 in 1 Male Masturbator & Penis Endurance Trainer-This man masturbation is not only a masturbation device but also a great penis endurance training tool. Once you approach to ejaculation, you can lower the vibration to delay ejaculation. This training increases the muscle control of penis and delay the orgasms to improve the sexual life time.

Easy to Clean & 100% Waterproof-Easy to clean compare with traditional masturbators. 100% waterproof for use in shower or bathtub. Rechargeable with USB charging cable. This penis stimulator is whisper-quiet compare with other masturbation toys.