[Couples Synchronous Climax Vibrating Cock Rings] The dual penis rings can help erections harder and longer, lock ejaculation and prolong ejaculation. It is just like a vibrating motor on your shaft to upgrade erection during sex, so your partner can enjoy a noticeable increase in girth as well as stimulating internal thrills. Its vibration and friction on G spot can help to promote G spot climax and enhance climax during intercourse, final reach synchronous climax.

[Zero Obstruction Pleasure] With ultra-thin 0.38inch curved cover and two stretchy rings, this penis sleeve can perfectly fit and wrap around your penis, just like a part of your body. The double-ring design can help the whole ring stay on the correct place without slipping even if you are thrusting. You and your partner can enjoy this ring smoothly during intercourse in any position without being uncomfortable even if in fast thrusting.[9 Powerful Vibrations & Whisper Quiet] With 9 vibration modes, its strong stimulation of the G spot, vagina and clitoris can help couples to achieve climax together. The working noise is under 40 dB.[Premium Elastic Safe Material & 100% Waterproof] This vibrating penis ring is made of soft & 100% body-safe silicone, as well as waterproof, so it’s easy to clean and safe for penetrative sexual play. With its flexible design, it feels like more natural support and can accommodate any size penis. The adult toy can be stretched comfortably around the base of the cock and testicles.[Discreet Package & USB Magnetic Rechargeable] This male sex toy is rechargeable with the included magnetic USB cable.SJH50-APP-BK