The Bention Impulsar uses ultrasonic (sound) waves that make the molecules inside fatty tissue cells vibrate. As a result of this, the molecules are split up and can then be removed from the body using a drainage technique. The Impulsar will also make any active ingredients that are applied to the skin penetrate more deeply into the skin. The waves of the Impulsar are inaudible in the surrounding area, but the customer will hear a whistling sound. The device is controlled using soft-touch buttons, whereby the settings can be read from the digital display.

The Impulsar can be used as a stand-alone device, but it is also very effective in combination with the Shapernaster. The design of the Impulsar makes it possible to place it inside the Shapernaster.