With SMARTBALL UNO, strengthening your pelvic muscles is as easy as pie. The internal weighted ball moves with every step you take, gently engaging your muscles. No effort required – just a stronger pelvic floor, more intense orgasms, and better control over your pleasure. Stronger, deeper, more intense – your pelvic floor workout starts now. EFFORTLESS TRAINING, AMAZING RESULTS The ergonomic shape and tapered tip make insertion smooth and simple, while its light weight of around 40 g (1.4 oz) makes SMARTBALL UNO the perfect pelvic floor trainer for beginners. Whether you are out for a walk, moving through your daily routine, or adding an extra thrill to a spanking session, every movement becomes a sensual delight. SAFE, COMFORTABLE AND ALWAYS READY SMARTBALL UNO is waterproof (IPX7) and made from body‑friendly silicone, so it feels great, is easy to clean, and is safe for regular use. Just add a little water‑based lube if you like, insert, and let it work its magic while you get on with your day. Enjoy long‑lasting quality backed by FUN FACTORY’s impressive 25‑year warranty.