Vibrating love balls with 3 weights that increase in size. Perfect for vaginal exercises. Can also be used as a panty vibrator. The free app guides training, tracks progress and much, much more. With 10 extremely quiet vibration modes plus personalised vibration rhythms via the free app. Waterproof and rechargeable. 14.4 cm long, O 3.3 cm. Material: silicone, phthalate-free according to EU Regulation REACH. Includes USB cable and storage bag.