The Winyi Cassie Kegel Balls: Strengthen those pelvic floor muscles for improved bladder control and overall pelvic health. (There's a reason they call them balls, you'll see!)

Experience whisper-quiet massage with our 50db motor. Enjoy anytime, anywhere.

Introducing CASSIE by WINYI – the quirky, fully USB Rechargeable companion for all your needs. No more scrambling for batteries, just plug in the included charging cable and you're ready to go!

CASSIE is a piece of cake to operate, with an incredible IPX7 rating for top-notch water resistance so you can do kegel exercises whenever and wherever (during showers, while swimming, etc.).

Portable & lightweight, perfect for Travel.

Made of medical flexible silicone material, Phthalate-Free, BPA-Free, Latex Free