Bluetooth integrated full-face motorcycle helmet. Sena has been at the forefront of Bluetooth innovation for the motorcycle industry for years and is breaking new ground with the first of a kind full-face helmet with Bluetooth. Sena has engineered the Momentum helmet from the ground up, and for the first time riders will be able to hear industry-leading technology the way it was meant to be heard. Experience the ideal integration of Sena's technology and an unrivaled audio experience.