Sennheiser's momentum headphones revolutionized fashionable headphones through premium design and acclaimed sound performance - matching style with substance. Now sennheiser goes further by bringing the momentum ethos to an in ear headphone - the momentum in-ear. Fusing elegant ergonomic design with new class-leading proprietary transducer technology from sennheiser to deliver the momentum sound signature a powerful bass response, detailed vocal projection and a great sound stage. It's an incredible listening experience in the smallest, most compact form.