The unique properties of X5 allow it to have a realistic feel like that of the human body. With your eyes closed, you can't tell the difference! The specialized molecular bonding of X5 allows it to respond to pressure while being highly resilient. This means that X5 has memory and can recover its shape. Most important is its softness. You will be amazed by the feel of X5. Maverick's specialized suction cup is also a controller, equipped with a rotating speed dial to change vibration speed. Change the speed while suctioned to any surface, while you use it! And get rid of cumbersome wires. Maverick is ready and aimed to please just when you want it. Requires 2 AA Batteries, not included.