[Waterproof & USB Charging] Made of premium medical grade silicone, it's sealed and 100% waterproof for pleasure in the shower or bath. Waterproof design allows you to access any water activity to gain more fun. Chargeable with in-style USB cord included. USB charging provides 1 hour of playtime on a single charge. Charging via USB eliminates batteries, making it a safer product and revolutionary in the adult toy industry.