This vibrating bullet features 10 vibrating functions consisting of 5 speeds and 5 rhythms. The waterproof bullet is also removable so you can use it alone, or together with the Discover plug. So you have 2 toys in 1! The head and neck of the plug is shaped so when inserted it stays securely in place. The handle is shaped to fit comfortably making extended wear more comfortable. Discover is made from pure silicone so it is body safe and phthalate free.