The Invincible has a super powerful 10-speed new generation F1 motor that accommodates any woman's shape and is perfectly shaped to create the most intense orgasm ever experienced! The Invincible has a rechargeable battery with a magnetic USB charging port and included charger. When fully charged it will last for 60 min It's soft to the touch, smooth and waterproof design is made from medical grade silicone, making the Invincible easy to clean. Touchless Airwave TechnologyThe Irresistible Collection is not just any collection of sex toys. They are the best sex toys for women in the market period! What makes The Irresistible Collection so special is that our clitoral vibrator is made from high-grade silicone and is equipped with our Touchless Air Wave Technology. The Irresistible Collection is the ideal combination of cutting-edge technology, high quality, aesthetics and ergonomic design.