The B2 is a penis ring is characterized and made for its ergonomic design. Based on its design of unfolding flower the inside part has a tender dimpled surface and the lines go sideways. The floral rounded shape gives a special feeling. The silicon material makes the touch more velvety gives more comfort. The batteries are replaceable and it uses low battery. It is very handy and the close fitting makes easy to reach the knob. Ultra powerful vibration with no sound and waterproof feature makes it a complete package to release orgasm.