The One Touch Enhancer is made of hygienically superior silicone and includes a vibrating stimulator. The enhancer ring is stretchy to fit most sizes and the bullet sleeve is nubbed with additional long feelers to tickle her clit. The removable 1.75? x .5? micro-bullet has an on/off button for easy activation. The micro-bullet requires 2 cell size batteries (4 included) to provide powerful vibrations.