The Revel Body SOL is the only vibrator available which operates at the frequency of Ohm 136.1 Hz. Ohm is a sacred frequency that is also known as Chi, the Heart Charkra and many other names. It is recognized by many ancient cultures and is considered to be the energy that connects and joins all things together. It is said that Ohm vibration promotes sexual awakening, deepens intimacy, reduces stress and tension, and renews your mind, body and spirit. The Revel Body SOL uses Ohm speed to promote relaxation and rejuvenation. Improved performance with dual drive motor technology that offers increased sensation while applying pressure. Third generation removable quiet core attachments. The Sol is completely waterproof and provides enhanced underwater suction for even more fun in the water.